Home / 12,707.60-19,063.24-3,943.22

Finding the Fourth Proportional to 12,707.60, 19,063.24 and 3,943.22

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Solution

The fourth proportional to 12,707.60, 19,063.24 and 3,943.22 is: 5,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,707.60 : 19,063.24 = 3,943.22 : x
  2. Step 2: Convert to fraction form
    12,707.60/19,063.24 = 3,943.22/x
  3. Step 3: Cross multiply
    12,707.60x = 19,063.24 × 3,943.22
  4. Step 4: Simplify right side
    12,707.60x = 75,170,549.23
  5. Step 5: Solve for x
    x = 75,170,549.23/12,707.60
  6. Step 6: Final answer
    x = 5,915.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.