Home / 10,986.48-16,452-7,277.49

Finding the Fourth Proportional to 10,986.48, 16,452 and 7,277.49

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Solution

The fourth proportional to 10,986.48, 16,452 and 7,277.49 is: 10,897.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.48 : 16,452 = 7,277.49 : x
  2. Step 2: Convert to fraction form
    10,986.48/16,452 = 7,277.49/x
  3. Step 3: Cross multiply
    10,986.48x = 16,452 × 7,277.49
  4. Step 4: Simplify right side
    10,986.48x = 119,729,265.48
  5. Step 5: Solve for x
    x = 119,729,265.48/10,986.48
  6. Step 6: Final answer
    x = 10,897.87

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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.