Home / 12,989.43-19,452.25-8,295.58

Finding the Fourth Proportional to 12,989.43, 19,452.25 and 8,295.58

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Solution

The fourth proportional to 12,989.43, 19,452.25 and 8,295.58 is: 12,423.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,989.43 : 19,452.25 = 8,295.58 : x
  2. Step 2: Convert to fraction form
    12,989.43/19,452.25 = 8,295.58/x
  3. Step 3: Cross multiply
    12,989.43x = 19,452.25 × 8,295.58
  4. Step 4: Simplify right side
    12,989.43x = 161,367,730.74
  5. Step 5: Solve for x
    x = 161,367,730.74/12,989.43
  6. Step 6: Final answer
    x = 12,423.00

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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.