Home / 15,024.34-20,732.19-8,309.79

Finding the Fourth Proportional to 15,024.34, 20,732.19 and 8,309.79

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Solution

The fourth proportional to 15,024.34, 20,732.19 and 8,309.79 is: 11,466.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,024.34 : 20,732.19 = 8,309.79 : x
  2. Step 2: Convert to fraction form
    15,024.34/20,732.19 = 8,309.79/x
  3. Step 3: Cross multiply
    15,024.34x = 20,732.19 × 8,309.79
  4. Step 4: Simplify right side
    15,024.34x = 172,280,145.14
  5. Step 5: Solve for x
    x = 172,280,145.14/15,024.34
  6. Step 6: Final answer
    x = 11,466.74

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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.