Home / 15,295.42-21,107.35-8,580.93

Finding the Fourth Proportional to 15,295.42, 21,107.35 and 8,580.93

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Solution

The fourth proportional to 15,295.42, 21,107.35 and 8,580.93 is: 11,841.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,295.42 : 21,107.35 = 8,580.93 : x
  2. Step 2: Convert to fraction form
    15,295.42/21,107.35 = 8,580.93/x
  3. Step 3: Cross multiply
    15,295.42x = 21,107.35 × 8,580.93
  4. Step 4: Simplify right side
    15,295.42x = 181,120,544.39
  5. Step 5: Solve for x
    x = 181,120,544.39/15,295.42
  6. Step 6: Final answer
    x = 11,841.49

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Double scale
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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.