Home / 10,901.09-16,335.21-8,114.48

Finding the Fourth Proportional to 10,901.09, 16,335.21 and 8,114.48

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Solution

The fourth proportional to 10,901.09, 16,335.21 and 8,114.48 is: 12,159.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.09 : 16,335.21 = 8,114.48 : x
  2. Step 2: Convert to fraction form
    10,901.09/16,335.21 = 8,114.48/x
  3. Step 3: Cross multiply
    10,901.09x = 16,335.21 × 8,114.48
  4. Step 4: Simplify right side
    10,901.09x = 132,551,653.16
  5. Step 5: Solve for x
    x = 132,551,653.16/10,901.09
  6. Step 6: Final answer
    x = 12,159.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.