Home / 16,903.11-23,304.80-11,159.65

Finding the Fourth Proportional to 16,903.11, 23,304.80 and 11,159.65

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Solution

The fourth proportional to 16,903.11, 23,304.80 and 11,159.65 is: 15,386.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,903.11 : 23,304.80 = 11,159.65 : x
  2. Step 2: Convert to fraction form
    16,903.11/23,304.80 = 11,159.65/x
  3. Step 3: Cross multiply
    16,903.11x = 23,304.80 × 11,159.65
  4. Step 4: Simplify right side
    16,903.11x = 260,073,387.11
  5. Step 5: Solve for x
    x = 260,073,387.11/16,903.11
  6. Step 6: Final answer
    x = 15,386.13

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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.