Home / 10,227.20-15,340.80-4,071.20

Finding the Fourth Proportional to 10,227.20, 15,340.80 and 4,071.20

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Solution

The fourth proportional to 10,227.20, 15,340.80 and 4,071.20 is: 6,106.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,227.20 : 15,340.80 = 4,071.20 : x
  2. Step 2: Convert to fraction form
    10,227.20/15,340.80 = 4,071.20/x
  3. Step 3: Cross multiply
    10,227.20x = 15,340.80 × 4,071.20
  4. Step 4: Simplify right side
    10,227.20x = 62,455,388.26
  5. Step 5: Solve for x
    x = 62,455,388.26/10,227.20
  6. Step 6: Final answer
    x = 6,106.80

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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.