Home / 15,576.12-23,364.42-5,187.88

Finding the Fourth Proportional to 15,576.12, 23,364.42 and 5,187.88

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Solution

The fourth proportional to 15,576.12, 23,364.42 and 5,187.88 is: 7,781.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,576.12 : 23,364.42 = 5,187.88 : x
  2. Step 2: Convert to fraction form
    15,576.12/23,364.42 = 5,187.88/x
  3. Step 3: Cross multiply
    15,576.12x = 23,364.42 × 5,187.88
  4. Step 4: Simplify right side
    15,576.12x = 121,211,807.23
  5. Step 5: Solve for x
    x = 121,211,807.23/15,576.12
  6. Step 6: Final answer
    x = 7,781.90

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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.