Home / 18,872.20-26,043.48-10,258.30

Finding the Fourth Proportional to 18,872.20, 26,043.48 and 10,258.30

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Solution

The fourth proportional to 18,872.20, 26,043.48 and 10,258.30 is: 14,156.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,872.20 : 26,043.48 = 10,258.30 : x
  2. Step 2: Convert to fraction form
    18,872.20/26,043.48 = 10,258.30/x
  3. Step 3: Cross multiply
    18,872.20x = 26,043.48 × 10,258.30
  4. Step 4: Simplify right side
    18,872.20x = 267,161,830.88
  5. Step 5: Solve for x
    x = 267,161,830.88/18,872.20
  6. Step 6: Final answer
    x = 14,156.37

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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.