Home / 11,860.17-16,348.19-9,338.28

Finding the Fourth Proportional to 11,860.17, 16,348.19 and 9,338.28

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Solution

The fourth proportional to 11,860.17, 16,348.19 and 9,338.28 is: 12,871.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.17 : 16,348.19 = 9,338.28 : x
  2. Step 2: Convert to fraction form
    11,860.17/16,348.19 = 9,338.28/x
  3. Step 3: Cross multiply
    11,860.17x = 16,348.19 × 9,338.28
  4. Step 4: Simplify right side
    11,860.17x = 152,663,929.02
  5. Step 5: Solve for x
    x = 152,663,929.02/11,860.17
  6. Step 6: Final answer
    x = 12,871.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.