Home / 12,743.67-17,588.88-7,366.35

Finding the Fourth Proportional to 12,743.67, 17,588.88 and 7,366.35

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Solution

The fourth proportional to 12,743.67, 17,588.88 and 7,366.35 is: 10,167.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743.67 : 17,588.88 = 7,366.35 : x
  2. Step 2: Convert to fraction form
    12,743.67/17,588.88 = 7,366.35/x
  3. Step 3: Cross multiply
    12,743.67x = 17,588.88 × 7,366.35
  4. Step 4: Simplify right side
    12,743.67x = 129,565,846.19
  5. Step 5: Solve for x
    x = 129,565,846.19/12,743.67
  6. Step 6: Final answer
    x = 10,167.07

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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.