Home / 11,116.41-15,344.51-6,402.57

Finding the Fourth Proportional to 11,116.41, 15,344.51 and 6,402.57

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Solution

The fourth proportional to 11,116.41, 15,344.51 and 6,402.57 is: 8,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.41 : 15,344.51 = 6,402.57 : x
  2. Step 2: Convert to fraction form
    11,116.41/15,344.51 = 6,402.57/x
  3. Step 3: Cross multiply
    11,116.41x = 15,344.51 × 6,402.57
  4. Step 4: Simplify right side
    11,116.41x = 98,244,267.38
  5. Step 5: Solve for x
    x = 98,244,267.38/11,116.41
  6. Step 6: Final answer
    x = 8,837.77

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Double scale
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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.