Home / 19,710.13-29,549.50-11,380.70

Finding the Fourth Proportional to 19,710.13, 29,549.50 and 11,380.70

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Solution

The fourth proportional to 19,710.13, 29,549.50 and 11,380.70 is: 17,061.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.13 : 29,549.50 = 11,380.70 : x
  2. Step 2: Convert to fraction form
    19,710.13/29,549.50 = 11,380.70/x
  3. Step 3: Cross multiply
    19,710.13x = 29,549.50 × 11,380.70
  4. Step 4: Simplify right side
    19,710.13x = 336,293,994.65
  5. Step 5: Solve for x
    x = 336,293,994.65/19,710.13
  6. Step 6: Final answer
    x = 17,061.99

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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.