Home / 10,896.19-15,033.06-6,421.34

Finding the Fourth Proportional to 10,896.19, 15,033.06 and 6,421.34

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Solution

The fourth proportional to 10,896.19, 15,033.06 and 6,421.34 is: 8,859.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.19 : 15,033.06 = 6,421.34 : x
  2. Step 2: Convert to fraction form
    10,896.19/15,033.06 = 6,421.34/x
  3. Step 3: Cross multiply
    10,896.19x = 15,033.06 × 6,421.34
  4. Step 4: Simplify right side
    10,896.19x = 96,532,427.08
  5. Step 5: Solve for x
    x = 96,532,427.08/10,896.19
  6. Step 6: Final answer
    x = 8,859.28

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Half scale
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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.