Home / 10,143.26-14,007.36-9,591.02

Finding the Fourth Proportional to 10,143.26, 14,007.36 and 9,591.02

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Solution

The fourth proportional to 10,143.26, 14,007.36 and 9,591.02 is: 13,244.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143.26 : 14,007.36 = 9,591.02 : x
  2. Step 2: Convert to fraction form
    10,143.26/14,007.36 = 9,591.02/x
  3. Step 3: Cross multiply
    10,143.26x = 14,007.36 × 9,591.02
  4. Step 4: Simplify right side
    10,143.26x = 134,344,869.91
  5. Step 5: Solve for x
    x = 134,344,869.91/10,143.26
  6. Step 6: Final answer
    x = 13,244.74

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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.