Home / 15,003.86-22,508.20-7,605.32

Finding the Fourth Proportional to 15,003.86, 22,508.20 and 7,605.32

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Solution

The fourth proportional to 15,003.86, 22,508.20 and 7,605.32 is: 11,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,003.86 : 22,508.20 = 7,605.32 : x
  2. Step 2: Convert to fraction form
    15,003.86/22,508.20 = 7,605.32/x
  3. Step 3: Cross multiply
    15,003.86x = 22,508.20 × 7,605.32
  4. Step 4: Simplify right side
    15,003.86x = 171,182,063.62
  5. Step 5: Solve for x
    x = 171,182,063.62/15,003.86
  6. Step 6: Final answer
    x = 11,409.20

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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.