Home / 13,882.98-19,159.50-9,159.06

Finding the Fourth Proportional to 13,882.98, 19,159.50 and 9,159.06

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Solution

The fourth proportional to 13,882.98, 19,159.50 and 9,159.06 is: 12,640.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.98 : 19,159.50 = 9,159.06 : x
  2. Step 2: Convert to fraction form
    13,882.98/19,159.50 = 9,159.06/x
  3. Step 3: Cross multiply
    13,882.98x = 19,159.50 × 9,159.06
  4. Step 4: Simplify right side
    13,882.98x = 175,483,010.07
  5. Step 5: Solve for x
    x = 175,483,010.07/13,882.98
  6. Step 6: Final answer
    x = 12,640.15

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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.