Home / 17,948.43-24,767.64-9,990.45

Finding the Fourth Proportional to 17,948.43, 24,767.64 and 9,990.45

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Solution

The fourth proportional to 17,948.43, 24,767.64 and 9,990.45 is: 13,786.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,948.43 : 24,767.64 = 9,990.45 : x
  2. Step 2: Convert to fraction form
    17,948.43/24,767.64 = 9,990.45/x
  3. Step 3: Cross multiply
    17,948.43x = 24,767.64 × 9,990.45
  4. Step 4: Simplify right side
    17,948.43x = 247,439,869.04
  5. Step 5: Solve for x
    x = 247,439,869.04/17,948.43
  6. Step 6: Final answer
    x = 13,786.16

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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.