Home / 11,243.04-15,515.36-6,275.04

Finding the Fourth Proportional to 11,243.04, 15,515.36 and 6,275.04

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Solution

The fourth proportional to 11,243.04, 15,515.36 and 6,275.04 is: 8,659.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.04 : 15,515.36 = 6,275.04 : x
  2. Step 2: Convert to fraction form
    11,243.04/15,515.36 = 6,275.04/x
  3. Step 3: Cross multiply
    11,243.04x = 15,515.36 × 6,275.04
  4. Step 4: Simplify right side
    11,243.04x = 97,359,504.61
  5. Step 5: Solve for x
    x = 97,359,504.61/11,243.04
  6. Step 6: Final answer
    x = 8,659.54

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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.