Home / 13,110.12-18,097.02-9,601.20

Finding the Fourth Proportional to 13,110.12, 18,097.02 and 9,601.20

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Solution

The fourth proportional to 13,110.12, 18,097.02 and 9,601.20 is: 13,253.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.12 : 18,097.02 = 9,601.20 : x
  2. Step 2: Convert to fraction form
    13,110.12/18,097.02 = 9,601.20/x
  3. Step 3: Cross multiply
    13,110.12x = 18,097.02 × 9,601.20
  4. Step 4: Simplify right side
    13,110.12x = 173,753,108.42
  5. Step 5: Solve for x
    x = 173,753,108.42/13,110.12
  6. Step 6: Final answer
    x = 13,253.36

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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.