Home / 15,943.45-22,001.96-8,869.87

Finding the Fourth Proportional to 15,943.45, 22,001.96 and 8,869.87

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Solution

The fourth proportional to 15,943.45, 22,001.96 and 8,869.87 is: 12,240.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.45 : 22,001.96 = 8,869.87 : x
  2. Step 2: Convert to fraction form
    15,943.45/22,001.96 = 8,869.87/x
  3. Step 3: Cross multiply
    15,943.45x = 22,001.96 × 8,869.87
  4. Step 4: Simplify right side
    15,943.45x = 195,154,370.59
  5. Step 5: Solve for x
    x = 195,154,370.59/15,943.45
  6. Step 6: Final answer
    x = 12,240.41

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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.