Home / 10,585.08-15,876.81-4,343.49

Finding the Fourth Proportional to 10,585.08, 15,876.81 and 4,343.49

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Solution

The fourth proportional to 10,585.08, 15,876.81 and 4,343.49 is: 6,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,585.08 : 15,876.81 = 4,343.49 : x
  2. Step 2: Convert to fraction form
    10,585.08/15,876.81 = 4,343.49/x
  3. Step 3: Cross multiply
    10,585.08x = 15,876.81 × 4,343.49
  4. Step 4: Simplify right side
    10,585.08x = 68,960,765.47
  5. Step 5: Solve for x
    x = 68,960,765.47/10,585.08
  6. Step 6: Final answer
    x = 6,514.90

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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.