Home / 22,836.60-31,512-13,888.92

Finding the Fourth Proportional to 22,836.60, 31,512 and 13,888.92

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Solution

The fourth proportional to 22,836.60, 31,512 and 13,888.92 is: 19,165.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,836.60 : 31,512 = 13,888.92 : x
  2. Step 2: Convert to fraction form
    22,836.60/31,512 = 13,888.92/x
  3. Step 3: Cross multiply
    22,836.60x = 31,512 × 13,888.92
  4. Step 4: Simplify right side
    22,836.60x = 437,667,647.04
  5. Step 5: Solve for x
    x = 437,667,647.04/22,836.60
  6. Step 6: Final answer
    x = 19,165.18

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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.