Home / 10,957.61-15,122.09-6,243.41

Finding the Fourth Proportional to 10,957.61, 15,122.09 and 6,243.41

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Solution

The fourth proportional to 10,957.61, 15,122.09 and 6,243.41 is: 8,616.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.61 : 15,122.09 = 6,243.41 : x
  2. Step 2: Convert to fraction form
    10,957.61/15,122.09 = 6,243.41/x
  3. Step 3: Cross multiply
    10,957.61x = 15,122.09 × 6,243.41
  4. Step 4: Simplify right side
    10,957.61x = 94,413,407.93
  5. Step 5: Solve for x
    x = 94,413,407.93/10,957.61
  6. Step 6: Final answer
    x = 8,616.24

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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.