Home / 10,215.28-14,096.70-6,243.04

Finding the Fourth Proportional to 10,215.28, 14,096.70 and 6,243.04

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Solution

The fourth proportional to 10,215.28, 14,096.70 and 6,243.04 is: 8,615.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215.28 : 14,096.70 = 6,243.04 : x
  2. Step 2: Convert to fraction form
    10,215.28/14,096.70 = 6,243.04/x
  3. Step 3: Cross multiply
    10,215.28x = 14,096.70 × 6,243.04
  4. Step 4: Simplify right side
    10,215.28x = 88,006,261.97
  5. Step 5: Solve for x
    x = 88,006,261.97/10,215.28
  6. Step 6: Final answer
    x = 8,615.16

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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.