Home / 19,549.81-29,320.21-11,654.55

Finding the Fourth Proportional to 19,549.81, 29,320.21 and 11,654.55

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Solution

The fourth proportional to 19,549.81, 29,320.21 and 11,654.55 is: 17,479.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,549.81 : 29,320.21 = 11,654.55 : x
  2. Step 2: Convert to fraction form
    19,549.81/29,320.21 = 11,654.55/x
  3. Step 3: Cross multiply
    19,549.81x = 29,320.21 × 11,654.55
  4. Step 4: Simplify right side
    19,549.81x = 341,713,868.02
  5. Step 5: Solve for x
    x = 341,713,868.02/19,549.81
  6. Step 6: Final answer
    x = 17,479.14

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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.