Home / 17,187.31-25,762.96-7,197.76

Finding the Fourth Proportional to 17,187.31, 25,762.96 and 7,197.76

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Solution

The fourth proportional to 17,187.31, 25,762.96 and 7,197.76 is: 10,789.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.31 : 25,762.96 = 7,197.76 : x
  2. Step 2: Convert to fraction form
    17,187.31/25,762.96 = 7,197.76/x
  3. Step 3: Cross multiply
    17,187.31x = 25,762.96 × 7,197.76
  4. Step 4: Simplify right side
    17,187.31x = 185,435,547.56
  5. Step 5: Solve for x
    x = 185,435,547.56/17,187.31
  6. Step 6: Final answer
    x = 10,789.10

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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.