Home / 16,981.51-23,429.22-9,902.92

Finding the Fourth Proportional to 16,981.51, 23,429.22 and 9,902.92

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Solution

The fourth proportional to 16,981.51, 23,429.22 and 9,902.92 is: 13,662.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,981.51 : 23,429.22 = 9,902.92 : x
  2. Step 2: Convert to fraction form
    16,981.51/23,429.22 = 9,902.92/x
  3. Step 3: Cross multiply
    16,981.51x = 23,429.22 × 9,902.92
  4. Step 4: Simplify right side
    16,981.51x = 232,017,691.32
  5. Step 5: Solve for x
    x = 232,017,691.32/16,981.51
  6. Step 6: Final answer
    x = 13,662.96

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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.