Home / 15,278.78-22,953.17-9,043.09

Finding the Fourth Proportional to 15,278.78, 22,953.17 and 9,043.09

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Solution

The fourth proportional to 15,278.78, 22,953.17 and 9,043.09 is: 13,585.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.78 : 22,953.17 = 9,043.09 : x
  2. Step 2: Convert to fraction form
    15,278.78/22,953.17 = 9,043.09/x
  3. Step 3: Cross multiply
    15,278.78x = 22,953.17 × 9,043.09
  4. Step 4: Simplify right side
    15,278.78x = 207,567,676.43
  5. Step 5: Solve for x
    x = 207,567,676.43/15,278.78
  6. Step 6: Final answer
    x = 13,585.36

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1.5x scale

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.