Home / 10,691.48-16,040.45-7,577.51

Finding the Fourth Proportional to 10,691.48, 16,040.45 and 7,577.51

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Solution

The fourth proportional to 10,691.48, 16,040.45 and 7,577.51 is: 11,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.48 : 16,040.45 = 7,577.51 : x
  2. Step 2: Convert to fraction form
    10,691.48/16,040.45 = 7,577.51/x
  3. Step 3: Cross multiply
    10,691.48x = 16,040.45 × 7,577.51
  4. Step 4: Simplify right side
    10,691.48x = 121,546,609.02
  5. Step 5: Solve for x
    x = 121,546,609.02/10,691.48
  6. Step 6: Final answer
    x = 11,368.55

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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.