Home / 10,988.61-15,165.27-6,274.41

Finding the Fourth Proportional to 10,988.61, 15,165.27 and 6,274.41

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Solution

The fourth proportional to 10,988.61, 15,165.27 and 6,274.41 is: 8,659.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.61 : 15,165.27 = 6,274.41 : x
  2. Step 2: Convert to fraction form
    10,988.61/15,165.27 = 6,274.41/x
  3. Step 3: Cross multiply
    10,988.61x = 15,165.27 × 6,274.41
  4. Step 4: Simplify right side
    10,988.61x = 95,153,121.74
  5. Step 5: Solve for x
    x = 95,153,121.74/10,988.61
  6. Step 6: Final answer
    x = 8,659.25

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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.