Home / 10,945.28-15,104.67-6,230

Finding the Fourth Proportional to 10,945.28, 15,104.67 and 6,230

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Solution

The fourth proportional to 10,945.28, 15,104.67 and 6,230 is: 8,597.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.28 : 15,104.67 = 6,230 : x
  2. Step 2: Convert to fraction form
    10,945.28/15,104.67 = 6,230/x
  3. Step 3: Cross multiply
    10,945.28x = 15,104.67 × 6,230
  4. Step 4: Simplify right side
    10,945.28x = 94,102,094.10
  5. Step 5: Solve for x
    x = 94,102,094.10/10,945.28
  6. Step 6: Final answer
    x = 8,597.50

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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.