Home / 11,854.80-16,359.39-6,549.87

Finding the Fourth Proportional to 11,854.80, 16,359.39 and 6,549.87

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Solution

The fourth proportional to 11,854.80, 16,359.39 and 6,549.87 is: 9,038.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854.80 : 16,359.39 = 6,549.87 : x
  2. Step 2: Convert to fraction form
    11,854.80/16,359.39 = 6,549.87/x
  3. Step 3: Cross multiply
    11,854.80x = 16,359.39 × 6,549.87
  4. Step 4: Simplify right side
    11,854.80x = 107,151,877.78
  5. Step 5: Solve for x
    x = 107,151,877.78/11,854.80
  6. Step 6: Final answer
    x = 9,038.69

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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.