Home / 13,967.31-19,278.98-8,306.04

Finding the Fourth Proportional to 13,967.31, 19,278.98 and 8,306.04

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Solution

The fourth proportional to 13,967.31, 19,278.98 and 8,306.04 is: 11,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.31 : 19,278.98 = 8,306.04 : x
  2. Step 2: Convert to fraction form
    13,967.31/19,278.98 = 8,306.04/x
  3. Step 3: Cross multiply
    13,967.31x = 19,278.98 × 8,306.04
  4. Step 4: Simplify right side
    13,967.31x = 160,132,040.95
  5. Step 5: Solve for x
    x = 160,132,040.95/13,967.31
  6. Step 6: Final answer
    x = 11,464.77

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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.