Home / 10,957.76-15,122.56-6,243.52

Finding the Fourth Proportional to 10,957.76, 15,122.56 and 6,243.52

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Solution

The fourth proportional to 10,957.76, 15,122.56 and 6,243.52 is: 8,616.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.76 : 15,122.56 = 6,243.52 : x
  2. Step 2: Convert to fraction form
    10,957.76/15,122.56 = 6,243.52/x
  3. Step 3: Cross multiply
    10,957.76x = 15,122.56 × 6,243.52
  4. Step 4: Simplify right side
    10,957.76x = 94,418,005.81
  5. Step 5: Solve for x
    x = 94,418,005.81/10,957.76
  6. Step 6: Final answer
    x = 8,616.54

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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.