Home / 10,721.06-14,795.11-6,247.88

Finding the Fourth Proportional to 10,721.06, 14,795.11 and 6,247.88

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Solution

The fourth proportional to 10,721.06, 14,795.11 and 6,247.88 is: 8,622.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.06 : 14,795.11 = 6,247.88 : x
  2. Step 2: Convert to fraction form
    10,721.06/14,795.11 = 6,247.88/x
  3. Step 3: Cross multiply
    10,721.06x = 14,795.11 × 6,247.88
  4. Step 4: Simplify right side
    10,721.06x = 92,438,071.87
  5. Step 5: Solve for x
    x = 92,438,071.87/10,721.06
  6. Step 6: Final answer
    x = 8,622.10

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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.