Home / 10,230.13-15,331.19-7,729.26

Finding the Fourth Proportional to 10,230.13, 15,331.19 and 7,729.26

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Solution

The fourth proportional to 10,230.13, 15,331.19 and 7,729.26 is: 11,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230.13 : 15,331.19 = 7,729.26 : x
  2. Step 2: Convert to fraction form
    10,230.13/15,331.19 = 7,729.26/x
  3. Step 3: Cross multiply
    10,230.13x = 15,331.19 × 7,729.26
  4. Step 4: Simplify right side
    10,230.13x = 118,498,657.64
  5. Step 5: Solve for x
    x = 118,498,657.64/10,230.13
  6. Step 6: Final answer
    x = 11,583.30

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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.