Home / 18,208.44-25,123.28-10,655.42

Finding the Fourth Proportional to 18,208.44, 25,123.28 and 10,655.42

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Solution

The fourth proportional to 18,208.44, 25,123.28 and 10,655.42 is: 14,701.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.44 : 25,123.28 = 10,655.42 : x
  2. Step 2: Convert to fraction form
    18,208.44/25,123.28 = 10,655.42/x
  3. Step 3: Cross multiply
    18,208.44x = 25,123.28 × 10,655.42
  4. Step 4: Simplify right side
    18,208.44x = 267,698,921.28
  5. Step 5: Solve for x
    x = 267,698,921.28/18,208.44
  6. Step 6: Final answer
    x = 14,701.91

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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.