Home / 15,686.76-23,508.24-8,670.14

Finding the Fourth Proportional to 15,686.76, 23,508.24 and 8,670.14

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Solution

The fourth proportional to 15,686.76, 23,508.24 and 8,670.14 is: 12,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,686.76 : 23,508.24 = 8,670.14 : x
  2. Step 2: Convert to fraction form
    15,686.76/23,508.24 = 8,670.14/x
  3. Step 3: Cross multiply
    15,686.76x = 23,508.24 × 8,670.14
  4. Step 4: Simplify right side
    15,686.76x = 203,819,614.41
  5. Step 5: Solve for x
    x = 203,819,614.41/15,686.76
  6. Step 6: Final answer
    x = 12,993.10

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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.