Home / 18,734.12-25,851.78-10,349.48

Finding the Fourth Proportional to 18,734.12, 25,851.78 and 10,349.48

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Solution

The fourth proportional to 18,734.12, 25,851.78 and 10,349.48 is: 14,281.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.12 : 25,851.78 = 10,349.48 : x
  2. Step 2: Convert to fraction form
    18,734.12/25,851.78 = 10,349.48/x
  3. Step 3: Cross multiply
    18,734.12x = 25,851.78 × 10,349.48
  4. Step 4: Simplify right side
    18,734.12x = 267,552,480.07
  5. Step 5: Solve for x
    x = 267,552,480.07/18,734.12
  6. Step 6: Final answer
    x = 14,281.56

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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.