Home / 17,946.66-24,767.36-9,989.06

Finding the Fourth Proportional to 17,946.66, 24,767.36 and 9,989.06

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Solution

The fourth proportional to 17,946.66, 24,767.36 and 9,989.06 is: 13,785.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,946.66 : 24,767.36 = 9,989.06 : x
  2. Step 2: Convert to fraction form
    17,946.66/24,767.36 = 9,989.06/x
  3. Step 3: Cross multiply
    17,946.66x = 24,767.36 × 9,989.06
  4. Step 4: Simplify right side
    17,946.66x = 247,402,471.30
  5. Step 5: Solve for x
    x = 247,402,471.30/17,946.66
  6. Step 6: Final answer
    x = 13,785.43

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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.