Home / 15,419.42-23,129.25-5,031.20

Finding the Fourth Proportional to 15,419.42, 23,129.25 and 5,031.20

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Solution

The fourth proportional to 15,419.42, 23,129.25 and 5,031.20 is: 7,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.42 : 23,129.25 = 5,031.20 : x
  2. Step 2: Convert to fraction form
    15,419.42/23,129.25 = 5,031.20/x
  3. Step 3: Cross multiply
    15,419.42x = 23,129.25 × 5,031.20
  4. Step 4: Simplify right side
    15,419.42x = 116,367,882.60
  5. Step 5: Solve for x
    x = 116,367,882.60/15,419.42
  6. Step 6: Final answer
    x = 7,546.84

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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.