Home / 10,218.96-15,316.07-7,252.74

Finding the Fourth Proportional to 10,218.96, 15,316.07 and 7,252.74

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Solution

The fourth proportional to 10,218.96, 15,316.07 and 7,252.74 is: 10,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.96 : 15,316.07 = 7,252.74 : x
  2. Step 2: Convert to fraction form
    10,218.96/15,316.07 = 7,252.74/x
  3. Step 3: Cross multiply
    10,218.96x = 15,316.07 × 7,252.74
  4. Step 4: Simplify right side
    10,218.96x = 111,083,473.53
  5. Step 5: Solve for x
    x = 111,083,473.53/10,218.96
  6. Step 6: Final answer
    x = 10,870.33

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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.