Home / 11,533.47-15,916.37-6,818.19

Finding the Fourth Proportional to 11,533.47, 15,916.37 and 6,818.19

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Solution

The fourth proportional to 11,533.47, 15,916.37 and 6,818.19 is: 9,409.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,533.47 : 15,916.37 = 6,818.19 : x
  2. Step 2: Convert to fraction form
    11,533.47/15,916.37 = 6,818.19/x
  3. Step 3: Cross multiply
    11,533.47x = 15,916.37 × 6,818.19
  4. Step 4: Simplify right side
    11,533.47x = 108,520,834.77
  5. Step 5: Solve for x
    x = 108,520,834.77/11,533.47
  6. Step 6: Final answer
    x = 9,409.21

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.