Home / 19,691.08-29,549.66-9,303.56

Finding the Fourth Proportional to 19,691.08, 29,549.66 and 9,303.56

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Solution

The fourth proportional to 19,691.08, 29,549.66 and 9,303.56 is: 13,961.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691.08 : 29,549.66 = 9,303.56 : x
  2. Step 2: Convert to fraction form
    19,691.08/29,549.66 = 9,303.56/x
  3. Step 3: Cross multiply
    19,691.08x = 29,549.66 × 9,303.56
  4. Step 4: Simplify right side
    19,691.08x = 274,917,034.79
  5. Step 5: Solve for x
    x = 274,917,034.79/19,691.08
  6. Step 6: Final answer
    x = 13,961.50

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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.