Home / 13,360.35-18,443.40-9,534.90

Finding the Fourth Proportional to 13,360.35, 18,443.40 and 9,534.90

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Solution

The fourth proportional to 13,360.35, 18,443.40 and 9,534.90 is: 13,162.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.35 : 18,443.40 = 9,534.90 : x
  2. Step 2: Convert to fraction form
    13,360.35/18,443.40 = 9,534.90/x
  3. Step 3: Cross multiply
    13,360.35x = 18,443.40 × 9,534.90
  4. Step 4: Simplify right side
    13,360.35x = 175,855,974.66
  5. Step 5: Solve for x
    x = 175,855,974.66/13,360.35
  6. Step 6: Final answer
    x = 13,162.53

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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.