Home / 12,744.68-17,587.02-7,079.77

Finding the Fourth Proportional to 12,744.68, 17,587.02 and 7,079.77

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Solution

The fourth proportional to 12,744.68, 17,587.02 and 7,079.77 is: 9,769.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.68 : 17,587.02 = 7,079.77 : x
  2. Step 2: Convert to fraction form
    12,744.68/17,587.02 = 7,079.77/x
  3. Step 3: Cross multiply
    12,744.68x = 17,587.02 × 7,079.77
  4. Step 4: Simplify right side
    12,744.68x = 124,512,105.12
  5. Step 5: Solve for x
    x = 124,512,105.12/12,744.68
  6. Step 6: Final answer
    x = 9,769.74

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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.