Home / 12,247.47-16,901.49-7,467.41

Finding the Fourth Proportional to 12,247.47, 16,901.49 and 7,467.41

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Solution

The fourth proportional to 12,247.47, 16,901.49 and 7,467.41 is: 10,305.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.47 : 16,901.49 = 7,467.41 : x
  2. Step 2: Convert to fraction form
    12,247.47/16,901.49 = 7,467.41/x
  3. Step 3: Cross multiply
    12,247.47x = 16,901.49 × 7,467.41
  4. Step 4: Simplify right side
    12,247.47x = 126,210,397.69
  5. Step 5: Solve for x
    x = 126,210,397.69/12,247.47
  6. Step 6: Final answer
    x = 10,305.02

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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.