Home / 13,432.08-20,150.28-4,672.20

Finding the Fourth Proportional to 13,432.08, 20,150.28 and 4,672.20

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Solution

The fourth proportional to 13,432.08, 20,150.28 and 4,672.20 is: 7,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.08 : 20,150.28 = 4,672.20 : x
  2. Step 2: Convert to fraction form
    13,432.08/20,150.28 = 4,672.20/x
  3. Step 3: Cross multiply
    13,432.08x = 20,150.28 × 4,672.20
  4. Step 4: Simplify right side
    13,432.08x = 94,146,138.22
  5. Step 5: Solve for x
    x = 94,146,138.22/13,432.08
  6. Step 6: Final answer
    x = 7,009.05

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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.