Home / 12,885.43-19,415.92-10,596.70

Finding the Fourth Proportional to 12,885.43, 19,415.92 and 10,596.70

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Solution

The fourth proportional to 12,885.43, 19,415.92 and 10,596.70 is: 15,967.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885.43 : 19,415.92 = 10,596.70 : x
  2. Step 2: Convert to fraction form
    12,885.43/19,415.92 = 10,596.70/x
  3. Step 3: Cross multiply
    12,885.43x = 19,415.92 × 10,596.70
  4. Step 4: Simplify right side
    12,885.43x = 205,744,679.46
  5. Step 5: Solve for x
    x = 205,744,679.46/12,885.43
  6. Step 6: Final answer
    x = 15,967.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.