Home / 13,592.64-20,387.88-4,232.40

Finding the Fourth Proportional to 13,592.64, 20,387.88 and 4,232.40

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Solution

The fourth proportional to 13,592.64, 20,387.88 and 4,232.40 is: 6,348.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.64 : 20,387.88 = 4,232.40 : x
  2. Step 2: Convert to fraction form
    13,592.64/20,387.88 = 4,232.40/x
  3. Step 3: Cross multiply
    13,592.64x = 20,387.88 × 4,232.40
  4. Step 4: Simplify right side
    13,592.64x = 86,289,663.31
  5. Step 5: Solve for x
    x = 86,289,663.31/13,592.64
  6. Step 6: Final answer
    x = 6,348.26

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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.