Home / 11,070.80-15,269.06-7,092.28

Finding the Fourth Proportional to 11,070.80, 15,269.06 and 7,092.28

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Solution

The fourth proportional to 11,070.80, 15,269.06 and 7,092.28 is: 9,781.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.80 : 15,269.06 = 7,092.28 : x
  2. Step 2: Convert to fraction form
    11,070.80/15,269.06 = 7,092.28/x
  3. Step 3: Cross multiply
    11,070.80x = 15,269.06 × 7,092.28
  4. Step 4: Simplify right side
    11,070.80x = 108,292,448.86
  5. Step 5: Solve for x
    x = 108,292,448.86/11,070.80
  6. Step 6: Final answer
    x = 9,781.81

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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.