Home / 13,549.66-20,317.06-4,187.14

Finding the Fourth Proportional to 13,549.66, 20,317.06 and 4,187.14

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Solution

The fourth proportional to 13,549.66, 20,317.06 and 4,187.14 is: 6,278.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.66 : 20,317.06 = 4,187.14 : x
  2. Step 2: Convert to fraction form
    13,549.66/20,317.06 = 4,187.14/x
  3. Step 3: Cross multiply
    13,549.66x = 20,317.06 × 4,187.14
  4. Step 4: Simplify right side
    13,549.66x = 85,070,374.61
  5. Step 5: Solve for x
    x = 85,070,374.61/13,549.66
  6. Step 6: Final answer
    x = 6,278.41

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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.