Home / 15,943.83-22,001.85-8,870.10

Finding the Fourth Proportional to 15,943.83, 22,001.85 and 8,870.10

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Solution

The fourth proportional to 15,943.83, 22,001.85 and 8,870.10 is: 12,240.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.83 : 22,001.85 = 8,870.10 : x
  2. Step 2: Convert to fraction form
    15,943.83/22,001.85 = 8,870.10/x
  3. Step 3: Cross multiply
    15,943.83x = 22,001.85 × 8,870.10
  4. Step 4: Simplify right side
    15,943.83x = 195,158,609.69
  5. Step 5: Solve for x
    x = 195,158,609.69/15,943.83
  6. Step 6: Final answer
    x = 12,240.38

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Double scale
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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.