Home / 15,456.12-23,180.50-7,130.92

Finding the Fourth Proportional to 15,456.12, 23,180.50 and 7,130.92

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Solution

The fourth proportional to 15,456.12, 23,180.50 and 7,130.92 is: 10,694.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456.12 : 23,180.50 = 7,130.92 : x
  2. Step 2: Convert to fraction form
    15,456.12/23,180.50 = 7,130.92/x
  3. Step 3: Cross multiply
    15,456.12x = 23,180.50 × 7,130.92
  4. Step 4: Simplify right side
    15,456.12x = 165,298,291.06
  5. Step 5: Solve for x
    x = 165,298,291.06/15,456.12
  6. Step 6: Final answer
    x = 10,694.68

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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.