Home / 22,337.32-30,828.73-13,385.66

Finding the Fourth Proportional to 22,337.32, 30,828.73 and 13,385.66

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Solution

The fourth proportional to 22,337.32, 30,828.73 and 13,385.66 is: 18,474.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,337.32 : 30,828.73 = 13,385.66 : x
  2. Step 2: Convert to fraction form
    22,337.32/30,828.73 = 13,385.66/x
  3. Step 3: Cross multiply
    22,337.32x = 30,828.73 × 13,385.66
  4. Step 4: Simplify right side
    22,337.32x = 412,662,697.85
  5. Step 5: Solve for x
    x = 412,662,697.85/22,337.32
  6. Step 6: Final answer
    x = 18,474.14

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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.