Home / 10,854.52-16,283.73-3,458.20

Finding the Fourth Proportional to 10,854.52, 16,283.73 and 3,458.20

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Solution

The fourth proportional to 10,854.52, 16,283.73 and 3,458.20 is: 5,187.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,854.52 : 16,283.73 = 3,458.20 : x
  2. Step 2: Convert to fraction form
    10,854.52/16,283.73 = 3,458.20/x
  3. Step 3: Cross multiply
    10,854.52x = 16,283.73 × 3,458.20
  4. Step 4: Simplify right side
    10,854.52x = 56,312,395.09
  5. Step 5: Solve for x
    x = 56,312,395.09/10,854.52
  6. Step 6: Final answer
    x = 5,187.92

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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.