Home / 12,666.71-19,000.45-4,346.61

Finding the Fourth Proportional to 12,666.71, 19,000.45 and 4,346.61

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Solution

The fourth proportional to 12,666.71, 19,000.45 and 4,346.61 is: 6,520.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,666.71 : 19,000.45 = 4,346.61 : x
  2. Step 2: Convert to fraction form
    12,666.71/19,000.45 = 4,346.61/x
  3. Step 3: Cross multiply
    12,666.71x = 19,000.45 × 4,346.61
  4. Step 4: Simplify right side
    12,666.71x = 82,587,545.97
  5. Step 5: Solve for x
    x = 82,587,545.97/12,666.71
  6. Step 6: Final answer
    x = 6,520.05

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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.