Home / 9,935.68-13,711.40-5,459.88

Finding the Fourth Proportional to 9,935.68, 13,711.40 and 5,459.88

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Solution

The fourth proportional to 9,935.68, 13,711.40 and 5,459.88 is: 7,534.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,935.68 : 13,711.40 = 5,459.88 : x
  2. Step 2: Convert to fraction form
    9,935.68/13,711.40 = 5,459.88/x
  3. Step 3: Cross multiply
    9,935.68x = 13,711.40 × 5,459.88
  4. Step 4: Simplify right side
    9,935.68x = 74,862,598.63
  5. Step 5: Solve for x
    x = 74,862,598.63/9,935.68
  6. Step 6: Final answer
    x = 7,534.72

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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.