Home / 13,549.12-20,322.53-4,663.72

Finding the Fourth Proportional to 13,549.12, 20,322.53 and 4,663.72

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Solution

The fourth proportional to 13,549.12, 20,322.53 and 4,663.72 is: 6,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.12 : 20,322.53 = 4,663.72 : x
  2. Step 2: Convert to fraction form
    13,549.12/20,322.53 = 4,663.72/x
  3. Step 3: Cross multiply
    13,549.12x = 20,322.53 × 4,663.72
  4. Step 4: Simplify right side
    13,549.12x = 94,778,589.61
  5. Step 5: Solve for x
    x = 94,778,589.61/13,549.12
  6. Step 6: Final answer
    x = 6,995.18

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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.