Home / 12,719.06-17,548.68-7,412.86

Finding the Fourth Proportional to 12,719.06, 17,548.68 and 7,412.86

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Solution

The fourth proportional to 12,719.06, 17,548.68 and 7,412.86 is: 10,227.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,719.06 : 17,548.68 = 7,412.86 : x
  2. Step 2: Convert to fraction form
    12,719.06/17,548.68 = 7,412.86/x
  3. Step 3: Cross multiply
    12,719.06x = 17,548.68 × 7,412.86
  4. Step 4: Simplify right side
    12,719.06x = 130,085,908.02
  5. Step 5: Solve for x
    x = 130,085,908.02/12,719.06
  6. Step 6: Final answer
    x = 10,227.64

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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.