Home / 16,513.42-22,788.51-9,439.99

Finding the Fourth Proportional to 16,513.42, 22,788.51 and 9,439.99

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Solution

The fourth proportional to 16,513.42, 22,788.51 and 9,439.99 is: 13,027.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,513.42 : 22,788.51 = 9,439.99 : x
  2. Step 2: Convert to fraction form
    16,513.42/22,788.51 = 9,439.99/x
  3. Step 3: Cross multiply
    16,513.42x = 22,788.51 × 9,439.99
  4. Step 4: Simplify right side
    16,513.42x = 215,123,306.51
  5. Step 5: Solve for x
    x = 215,123,306.51/16,513.42
  6. Step 6: Final answer
    x = 13,027.18

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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.