Home / 10,943.76-15,102.36-5,975.76

Finding the Fourth Proportional to 10,943.76, 15,102.36 and 5,975.76

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Solution

The fourth proportional to 10,943.76, 15,102.36 and 5,975.76 is: 8,246.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.76 : 15,102.36 = 5,975.76 : x
  2. Step 2: Convert to fraction form
    10,943.76/15,102.36 = 5,975.76/x
  3. Step 3: Cross multiply
    10,943.76x = 15,102.36 × 5,975.76
  4. Step 4: Simplify right side
    10,943.76x = 90,248,078.79
  5. Step 5: Solve for x
    x = 90,248,078.79/10,943.76
  6. Step 6: Final answer
    x = 8,246.53

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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.