Home / 22,051.04-30,430.92-13,557.72

Finding the Fourth Proportional to 22,051.04, 30,430.92 and 13,557.72

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Solution

The fourth proportional to 22,051.04, 30,430.92 and 13,557.72 is: 18,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,051.04 : 30,430.92 = 13,557.72 : x
  2. Step 2: Convert to fraction form
    22,051.04/30,430.92 = 13,557.72/x
  3. Step 3: Cross multiply
    22,051.04x = 30,430.92 × 13,557.72
  4. Step 4: Simplify right side
    22,051.04x = 412,573,892.70
  5. Step 5: Solve for x
    x = 412,573,892.70/22,051.04
  6. Step 6: Final answer
    x = 18,709.95

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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.