Home / 15,002.04-20,701.26-8,713.20

Finding the Fourth Proportional to 15,002.04, 20,701.26 and 8,713.20

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Solution

The fourth proportional to 15,002.04, 20,701.26 and 8,713.20 is: 12,023.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,002.04 : 20,701.26 = 8,713.20 : x
  2. Step 2: Convert to fraction form
    15,002.04/20,701.26 = 8,713.20/x
  3. Step 3: Cross multiply
    15,002.04x = 20,701.26 × 8,713.20
  4. Step 4: Simplify right side
    15,002.04x = 180,374,218.63
  5. Step 5: Solve for x
    x = 180,374,218.63/15,002.04
  6. Step 6: Final answer
    x = 12,023.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.