Home / 19,960.28-27,545.52-12,000.98

Finding the Fourth Proportional to 19,960.28, 27,545.52 and 12,000.98

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Solution

The fourth proportional to 19,960.28, 27,545.52 and 12,000.98 is: 16,561.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.28 : 27,545.52 = 12,000.98 : x
  2. Step 2: Convert to fraction form
    19,960.28/27,545.52 = 12,000.98/x
  3. Step 3: Cross multiply
    19,960.28x = 27,545.52 × 12,000.98
  4. Step 4: Simplify right side
    19,960.28x = 330,573,234.61
  5. Step 5: Solve for x
    x = 330,573,234.61/19,960.28
  6. Step 6: Final answer
    x = 16,561.55

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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.