Home / 12,602.89-17,392.38-6,937.33

Finding the Fourth Proportional to 12,602.89, 17,392.38 and 6,937.33

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Solution

The fourth proportional to 12,602.89, 17,392.38 and 6,937.33 is: 9,573.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602.89 : 17,392.38 = 6,937.33 : x
  2. Step 2: Convert to fraction form
    12,602.89/17,392.38 = 6,937.33/x
  3. Step 3: Cross multiply
    12,602.89x = 17,392.38 × 6,937.33
  4. Step 4: Simplify right side
    12,602.89x = 120,656,679.55
  5. Step 5: Solve for x
    x = 120,656,679.55/12,602.89
  6. Step 6: Final answer
    x = 9,573.73

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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.