Home / 13,610.50-20,418.38-4,726.15

Finding the Fourth Proportional to 13,610.50, 20,418.38 and 4,726.15

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Solution

The fourth proportional to 13,610.50, 20,418.38 and 4,726.15 is: 7,090.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.50 : 20,418.38 = 4,726.15 : x
  2. Step 2: Convert to fraction form
    13,610.50/20,418.38 = 4,726.15/x
  3. Step 3: Cross multiply
    13,610.50x = 20,418.38 × 4,726.15
  4. Step 4: Simplify right side
    13,610.50x = 96,500,326.64
  5. Step 5: Solve for x
    x = 96,500,326.64/13,610.50
  6. Step 6: Final answer
    x = 7,090.14

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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.