Home / 10,187.36-15,271.32-3,257.12

Finding the Fourth Proportional to 10,187.36, 15,271.32 and 3,257.12

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Solution

The fourth proportional to 10,187.36, 15,271.32 and 3,257.12 is: 4,882.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.36 : 15,271.32 = 3,257.12 : x
  2. Step 2: Convert to fraction form
    10,187.36/15,271.32 = 3,257.12/x
  3. Step 3: Cross multiply
    10,187.36x = 15,271.32 × 3,257.12
  4. Step 4: Simplify right side
    10,187.36x = 49,740,521.80
  5. Step 5: Solve for x
    x = 49,740,521.80/10,187.36
  6. Step 6: Final answer
    x = 4,882.57

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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.