Home / 15,008.96-22,516.60-5,145.60

Finding the Fourth Proportional to 15,008.96, 22,516.60 and 5,145.60

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Solution

The fourth proportional to 15,008.96, 22,516.60 and 5,145.60 is: 7,719.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,008.96 : 22,516.60 = 5,145.60 : x
  2. Step 2: Convert to fraction form
    15,008.96/22,516.60 = 5,145.60/x
  3. Step 3: Cross multiply
    15,008.96x = 22,516.60 × 5,145.60
  4. Step 4: Simplify right side
    15,008.96x = 115,861,416.96
  5. Step 5: Solve for x
    x = 115,861,416.96/15,008.96
  6. Step 6: Final answer
    x = 7,719.48

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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.