Home / 12,862.94-17,756.20-9,325.46

Finding the Fourth Proportional to 12,862.94, 17,756.20 and 9,325.46

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Solution

The fourth proportional to 12,862.94, 17,756.20 and 9,325.46 is: 12,873.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.94 : 17,756.20 = 9,325.46 : x
  2. Step 2: Convert to fraction form
    12,862.94/17,756.20 = 9,325.46/x
  3. Step 3: Cross multiply
    12,862.94x = 17,756.20 × 9,325.46
  4. Step 4: Simplify right side
    12,862.94x = 165,584,732.85
  5. Step 5: Solve for x
    x = 165,584,732.85/12,862.94
  6. Step 6: Final answer
    x = 12,873.01

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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.