Home / 13,512.02-20,251.55-6,109.02

Finding the Fourth Proportional to 13,512.02, 20,251.55 and 6,109.02

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Solution

The fourth proportional to 13,512.02, 20,251.55 and 6,109.02 is: 9,156.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.02 : 20,251.55 = 6,109.02 : x
  2. Step 2: Convert to fraction form
    13,512.02/20,251.55 = 6,109.02/x
  3. Step 3: Cross multiply
    13,512.02x = 20,251.55 × 6,109.02
  4. Step 4: Simplify right side
    13,512.02x = 123,717,139.25
  5. Step 5: Solve for x
    x = 123,717,139.25/13,512.02
  6. Step 6: Final answer
    x = 9,156.08

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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.