Home / 18,757.28-25,885.50-10,260.20

Finding the Fourth Proportional to 18,757.28, 25,885.50 and 10,260.20

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Solution

The fourth proportional to 18,757.28, 25,885.50 and 10,260.20 is: 14,159.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757.28 : 25,885.50 = 10,260.20 : x
  2. Step 2: Convert to fraction form
    18,757.28/25,885.50 = 10,260.20/x
  3. Step 3: Cross multiply
    18,757.28x = 25,885.50 × 10,260.20
  4. Step 4: Simplify right side
    18,757.28x = 265,590,407.10
  5. Step 5: Solve for x
    x = 265,590,407.10/18,757.28
  6. Step 6: Final answer
    x = 14,159.32

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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.