Home / 10,515.06-15,770.30-4,273.46

Finding the Fourth Proportional to 10,515.06, 15,770.30 and 4,273.46

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Solution

The fourth proportional to 10,515.06, 15,770.30 and 4,273.46 is: 6,409.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.06 : 15,770.30 = 4,273.46 : x
  2. Step 2: Convert to fraction form
    10,515.06/15,770.30 = 4,273.46/x
  3. Step 3: Cross multiply
    10,515.06x = 15,770.30 × 4,273.46
  4. Step 4: Simplify right side
    10,515.06x = 67,393,746.24
  5. Step 5: Solve for x
    x = 67,393,746.24/10,515.06
  6. Step 6: Final answer
    x = 6,409.26

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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.