Home / 10,913.75-15,060.98-5,945.75

Finding the Fourth Proportional to 10,913.75, 15,060.98 and 5,945.75

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Solution

The fourth proportional to 10,913.75, 15,060.98 and 5,945.75 is: 8,205.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.75 : 15,060.98 = 5,945.75 : x
  2. Step 2: Convert to fraction form
    10,913.75/15,060.98 = 5,945.75/x
  3. Step 3: Cross multiply
    10,913.75x = 15,060.98 × 5,945.75
  4. Step 4: Simplify right side
    10,913.75x = 89,548,821.84
  5. Step 5: Solve for x
    x = 89,548,821.84/10,913.75
  6. Step 6: Final answer
    x = 8,205.14

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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.