Home / 9,539.60-14,312.38-4,279.02

Finding the Fourth Proportional to 9,539.60, 14,312.38 and 4,279.02

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Solution

The fourth proportional to 9,539.60, 14,312.38 and 4,279.02 is: 6,419.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.60 : 14,312.38 = 4,279.02 : x
  2. Step 2: Convert to fraction form
    9,539.60/14,312.38 = 4,279.02/x
  3. Step 3: Cross multiply
    9,539.60x = 14,312.38 × 4,279.02
  4. Step 4: Simplify right side
    9,539.60x = 61,242,960.27
  5. Step 5: Solve for x
    x = 61,242,960.27/9,539.60
  6. Step 6: Final answer
    x = 6,419.87

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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.