Home / 15,292.64-22,943.07-12,184.38

Finding the Fourth Proportional to 15,292.64, 22,943.07 and 12,184.38

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Solution

The fourth proportional to 15,292.64, 22,943.07 and 12,184.38 is: 18,279.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292.64 : 22,943.07 = 12,184.38 : x
  2. Step 2: Convert to fraction form
    15,292.64/22,943.07 = 12,184.38/x
  3. Step 3: Cross multiply
    15,292.64x = 22,943.07 × 12,184.38
  4. Step 4: Simplify right side
    15,292.64x = 279,547,083.25
  5. Step 5: Solve for x
    x = 279,547,083.25/15,292.64
  6. Step 6: Final answer
    x = 18,279.84

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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.