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Finding the Fourth Proportional to 18,304.65, 25,259.04 and 12,344.40

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Solution

The fourth proportional to 18,304.65, 25,259.04 and 12,344.40 is: 17,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,304.65 : 25,259.04 = 12,344.40 : x
  2. Step 2: Convert to fraction form
    18,304.65/25,259.04 = 12,344.40/x
  3. Step 3: Cross multiply
    18,304.65x = 25,259.04 × 12,344.40
  4. Step 4: Simplify right side
    18,304.65x = 311,807,693.38
  5. Step 5: Solve for x
    x = 311,807,693.38/18,304.65
  6. Step 6: Final answer
    x = 17,034.34

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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.