Home / 10,901.04-15,051.88-8,379.16

Finding the Fourth Proportional to 10,901.04, 15,051.88 and 8,379.16

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Solution

The fourth proportional to 10,901.04, 15,051.88 and 8,379.16 is: 11,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.04 : 15,051.88 = 8,379.16 : x
  2. Step 2: Convert to fraction form
    10,901.04/15,051.88 = 8,379.16/x
  3. Step 3: Cross multiply
    10,901.04x = 15,051.88 × 8,379.16
  4. Step 4: Simplify right side
    10,901.04x = 126,122,110.82
  5. Step 5: Solve for x
    x = 126,122,110.82/10,901.04
  6. Step 6: Final answer
    x = 11,569.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.