Home / 19,346.97-28,999.90-12,304.83

Finding the Fourth Proportional to 19,346.97, 28,999.90 and 12,304.83

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Solution

The fourth proportional to 19,346.97, 28,999.90 and 12,304.83 is: 18,444.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.97 : 28,999.90 = 12,304.83 : x
  2. Step 2: Convert to fraction form
    19,346.97/28,999.90 = 12,304.83/x
  3. Step 3: Cross multiply
    19,346.97x = 28,999.90 × 12,304.83
  4. Step 4: Simplify right side
    19,346.97x = 356,838,839.52
  5. Step 5: Solve for x
    x = 356,838,839.52/19,346.97
  6. Step 6: Final answer
    x = 18,444.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.