Home / 10,945.12-16,417.52-5,098.40

Finding the Fourth Proportional to 10,945.12, 16,417.52 and 5,098.40

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Solution

The fourth proportional to 10,945.12, 16,417.52 and 5,098.40 is: 7,647.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.12 : 16,417.52 = 5,098.40 : x
  2. Step 2: Convert to fraction form
    10,945.12/16,417.52 = 5,098.40/x
  3. Step 3: Cross multiply
    10,945.12x = 16,417.52 × 5,098.40
  4. Step 4: Simplify right side
    10,945.12x = 83,703,083.97
  5. Step 5: Solve for x
    x = 83,703,083.97/10,945.12
  6. Step 6: Final answer
    x = 7,647.53

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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.