Home / 13,734.18-20,598.12-8,189.10

Finding the Fourth Proportional to 13,734.18, 20,598.12 and 8,189.10

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Solution

The fourth proportional to 13,734.18, 20,598.12 and 8,189.10 is: 12,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.18 : 20,598.12 = 8,189.10 : x
  2. Step 2: Convert to fraction form
    13,734.18/20,598.12 = 8,189.10/x
  3. Step 3: Cross multiply
    13,734.18x = 20,598.12 × 8,189.10
  4. Step 4: Simplify right side
    13,734.18x = 168,680,064.49
  5. Step 5: Solve for x
    x = 168,680,064.49/13,734.18
  6. Step 6: Final answer
    x = 12,281.77

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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.