Home / 10,581.10-15,871.78-4,005.52

Finding the Fourth Proportional to 10,581.10, 15,871.78 and 4,005.52

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Solution

The fourth proportional to 10,581.10, 15,871.78 and 4,005.52 is: 6,008.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,581.10 : 15,871.78 = 4,005.52 : x
  2. Step 2: Convert to fraction form
    10,581.10/15,871.78 = 4,005.52/x
  3. Step 3: Cross multiply
    10,581.10x = 15,871.78 × 4,005.52
  4. Step 4: Simplify right side
    10,581.10x = 63,574,732.23
  5. Step 5: Solve for x
    x = 63,574,732.23/10,581.10
  6. Step 6: Final answer
    x = 6,008.33

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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.