Home / 12,472.08-17,212.68-9,322.80

Finding the Fourth Proportional to 12,472.08, 17,212.68 and 9,322.80

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Solution

The fourth proportional to 12,472.08, 17,212.68 and 9,322.80 is: 12,866.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.08 : 17,212.68 = 9,322.80 : x
  2. Step 2: Convert to fraction form
    12,472.08/17,212.68 = 9,322.80/x
  3. Step 3: Cross multiply
    12,472.08x = 17,212.68 × 9,322.80
  4. Step 4: Simplify right side
    12,472.08x = 160,470,373.10
  5. Step 5: Solve for x
    x = 160,470,373.10/12,472.08
  6. Step 6: Final answer
    x = 12,866.37

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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.