Home / 13,459.13-20,191.95-4,225.13

Finding the Fourth Proportional to 13,459.13, 20,191.95 and 4,225.13

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Solution

The fourth proportional to 13,459.13, 20,191.95 and 4,225.13 is: 6,338.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.13 : 20,191.95 = 4,225.13 : x
  2. Step 2: Convert to fraction form
    13,459.13/20,191.95 = 4,225.13/x
  3. Step 3: Cross multiply
    13,459.13x = 20,191.95 × 4,225.13
  4. Step 4: Simplify right side
    13,459.13x = 85,313,512.74
  5. Step 5: Solve for x
    x = 85,313,512.74/13,459.13
  6. Step 6: Final answer
    x = 6,338.71

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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.