Home / 15,451.99-23,177.71-3,765.31

Finding the Fourth Proportional to 15,451.99, 23,177.71 and 3,765.31

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Solution

The fourth proportional to 15,451.99, 23,177.71 and 3,765.31 is: 5,647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451.99 : 23,177.71 = 3,765.31 : x
  2. Step 2: Convert to fraction form
    15,451.99/23,177.71 = 3,765.31/x
  3. Step 3: Cross multiply
    15,451.99x = 23,177.71 × 3,765.31
  4. Step 4: Simplify right side
    15,451.99x = 87,271,263.24
  5. Step 5: Solve for x
    x = 87,271,263.24/15,451.99
  6. Step 6: Final answer
    x = 5,647.90

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Double scale
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Similar ratio
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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.