Home / 10,218.48-15,315.32-7,252.24

Finding the Fourth Proportional to 10,218.48, 15,315.32 and 7,252.24

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Solution

The fourth proportional to 10,218.48, 15,315.32 and 7,252.24 is: 10,869.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.48 : 15,315.32 = 7,252.24 : x
  2. Step 2: Convert to fraction form
    10,218.48/15,315.32 = 7,252.24/x
  3. Step 3: Cross multiply
    10,218.48x = 15,315.32 × 7,252.24
  4. Step 4: Simplify right side
    10,218.48x = 111,070,376.32
  5. Step 5: Solve for x
    x = 111,070,376.32/10,218.48
  6. Step 6: Final answer
    x = 10,869.56

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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.