Home / 15,130.80-22,688.91-5,269.86

Finding the Fourth Proportional to 15,130.80, 22,688.91 and 5,269.86

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Solution

The fourth proportional to 15,130.80, 22,688.91 and 5,269.86 is: 7,902.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,130.80 : 22,688.91 = 5,269.86 : x
  2. Step 2: Convert to fraction form
    15,130.80/22,688.91 = 5,269.86/x
  3. Step 3: Cross multiply
    15,130.80x = 22,688.91 × 5,269.86
  4. Step 4: Simplify right side
    15,130.80x = 119,567,379.25
  5. Step 5: Solve for x
    x = 119,567,379.25/15,130.80
  6. Step 6: Final answer
    x = 7,902.25

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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.