Home / 9,352.20-13,955.19-9,129.90

Finding the Fourth Proportional to 9,352.20, 13,955.19 and 9,129.90

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Solution

The fourth proportional to 9,352.20, 13,955.19 and 9,129.90 is: 13,623.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,352.20 : 13,955.19 = 9,129.90 : x
  2. Step 2: Convert to fraction form
    9,352.20/13,955.19 = 9,129.90/x
  3. Step 3: Cross multiply
    9,352.20x = 13,955.19 × 9,129.90
  4. Step 4: Simplify right side
    9,352.20x = 127,409,489.18
  5. Step 5: Solve for x
    x = 127,409,489.18/9,352.20
  6. Step 6: Final answer
    x = 13,623.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.