Home / 16,590.39-22,902.95-11,312.89

Finding the Fourth Proportional to 16,590.39, 22,902.95 and 11,312.89

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Solution

The fourth proportional to 16,590.39, 22,902.95 and 11,312.89 is: 15,617.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,590.39 : 22,902.95 = 11,312.89 : x
  2. Step 2: Convert to fraction form
    16,590.39/22,902.95 = 11,312.89/x
  3. Step 3: Cross multiply
    16,590.39x = 22,902.95 × 11,312.89
  4. Step 4: Simplify right side
    16,590.39x = 259,098,589.46
  5. Step 5: Solve for x
    x = 259,098,589.46/16,590.39
  6. Step 6: Final answer
    x = 15,617.39

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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.