Home / 17,111.80-25,656.60-7,248.40

Finding the Fourth Proportional to 17,111.80, 25,656.60 and 7,248.40

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Solution

The fourth proportional to 17,111.80, 25,656.60 and 7,248.40 is: 10,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,111.80 : 25,656.60 = 7,248.40 : x
  2. Step 2: Convert to fraction form
    17,111.80/25,656.60 = 7,248.40/x
  3. Step 3: Cross multiply
    17,111.80x = 25,656.60 × 7,248.40
  4. Step 4: Simplify right side
    17,111.80x = 185,969,299.44
  5. Step 5: Solve for x
    x = 185,969,299.44/17,111.80
  6. Step 6: Final answer
    x = 10,867.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.