Home / 9,935.43-13,711.26-5,955.78

Finding the Fourth Proportional to 9,935.43, 13,711.26 and 5,955.78

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Solution

The fourth proportional to 9,935.43, 13,711.26 and 5,955.78 is: 8,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,935.43 : 13,711.26 = 5,955.78 : x
  2. Step 2: Convert to fraction form
    9,935.43/13,711.26 = 5,955.78/x
  3. Step 3: Cross multiply
    9,935.43x = 13,711.26 × 5,955.78
  4. Step 4: Simplify right side
    9,935.43x = 81,661,248.08
  5. Step 5: Solve for x
    x = 81,661,248.08/9,935.43
  6. Step 6: Final answer
    x = 8,219.20

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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.