Home / 22,154.72-30,557.84-14,199.20

Finding the Fourth Proportional to 22,154.72, 30,557.84 and 14,199.20

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Solution

The fourth proportional to 22,154.72, 30,557.84 and 14,199.20 is: 19,584.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,154.72 : 30,557.84 = 14,199.20 : x
  2. Step 2: Convert to fraction form
    22,154.72/30,557.84 = 14,199.20/x
  3. Step 3: Cross multiply
    22,154.72x = 30,557.84 × 14,199.20
  4. Step 4: Simplify right side
    22,154.72x = 433,896,881.73
  5. Step 5: Solve for x
    x = 433,896,881.73/22,154.72
  6. Step 6: Final answer
    x = 19,584.85

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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.