Home / 18,740.89-25,862.45-10,357.39

Finding the Fourth Proportional to 18,740.89, 25,862.45 and 10,357.39

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Solution

The fourth proportional to 18,740.89, 25,862.45 and 10,357.39 is: 14,293.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.89 : 25,862.45 = 10,357.39 : x
  2. Step 2: Convert to fraction form
    18,740.89/25,862.45 = 10,357.39/x
  3. Step 3: Cross multiply
    18,740.89x = 25,862.45 × 10,357.39
  4. Step 4: Simplify right side
    18,740.89x = 267,867,481.01
  5. Step 5: Solve for x
    x = 267,867,481.01/18,740.89
  6. Step 6: Final answer
    x = 14,293.21

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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.