Home / 12,573.20-17,347.56-7,266.80

Finding the Fourth Proportional to 12,573.20, 17,347.56 and 7,266.80

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Solution

The fourth proportional to 12,573.20, 17,347.56 and 7,266.80 is: 10,026.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,573.20 : 17,347.56 = 7,266.80 : x
  2. Step 2: Convert to fraction form
    12,573.20/17,347.56 = 7,266.80/x
  3. Step 3: Cross multiply
    12,573.20x = 17,347.56 × 7,266.80
  4. Step 4: Simplify right side
    12,573.20x = 126,061,249.01
  5. Step 5: Solve for x
    x = 126,061,249.01/12,573.20
  6. Step 6: Final answer
    x = 10,026.19

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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.