Home / 15,512.64-23,270.40-6,279.36

Finding the Fourth Proportional to 15,512.64, 23,270.40 and 6,279.36

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Solution

The fourth proportional to 15,512.64, 23,270.40 and 6,279.36 is: 9,419.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,512.64 : 23,270.40 = 6,279.36 : x
  2. Step 2: Convert to fraction form
    15,512.64/23,270.40 = 6,279.36/x
  3. Step 3: Cross multiply
    15,512.64x = 23,270.40 × 6,279.36
  4. Step 4: Simplify right side
    15,512.64x = 146,123,218.94
  5. Step 5: Solve for x
    x = 146,123,218.94/15,512.64
  6. Step 6: Final answer
    x = 9,419.62

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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.