Home / 10,269.15-15,403.92-4,720.98

Finding the Fourth Proportional to 10,269.15, 15,403.92 and 4,720.98

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Solution

The fourth proportional to 10,269.15, 15,403.92 and 4,720.98 is: 7,081.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.15 : 15,403.92 = 4,720.98 : x
  2. Step 2: Convert to fraction form
    10,269.15/15,403.92 = 4,720.98/x
  3. Step 3: Cross multiply
    10,269.15x = 15,403.92 × 4,720.98
  4. Step 4: Simplify right side
    10,269.15x = 72,721,598.24
  5. Step 5: Solve for x
    x = 72,721,598.24/10,269.15
  6. Step 6: Final answer
    x = 7,081.56

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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.