Home / 12,738.36-17,577.10-7,432.16

Finding the Fourth Proportional to 12,738.36, 17,577.10 and 7,432.16

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Solution

The fourth proportional to 12,738.36, 17,577.10 and 7,432.16 is: 10,255.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738.36 : 17,577.10 = 7,432.16 : x
  2. Step 2: Convert to fraction form
    12,738.36/17,577.10 = 7,432.16/x
  3. Step 3: Cross multiply
    12,738.36x = 17,577.10 × 7,432.16
  4. Step 4: Simplify right side
    12,738.36x = 130,635,740.94
  5. Step 5: Solve for x
    x = 130,635,740.94/12,738.36
  6. Step 6: Final answer
    x = 10,255.30

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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.