Home / 15,108.64-22,659.36-6,343.72

Finding the Fourth Proportional to 15,108.64, 22,659.36 and 6,343.72

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Solution

The fourth proportional to 15,108.64, 22,659.36 and 6,343.72 is: 9,514.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108.64 : 22,659.36 = 6,343.72 : x
  2. Step 2: Convert to fraction form
    15,108.64/22,659.36 = 6,343.72/x
  3. Step 3: Cross multiply
    15,108.64x = 22,659.36 × 6,343.72
  4. Step 4: Simplify right side
    15,108.64x = 143,744,635.22
  5. Step 5: Solve for x
    x = 143,744,635.22/15,108.64
  6. Step 6: Final answer
    x = 9,514.07

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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.