Home / 14,012.70-19,340.82-8,711.52

Finding the Fourth Proportional to 14,012.70, 19,340.82 and 8,711.52

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Solution

The fourth proportional to 14,012.70, 19,340.82 and 8,711.52 is: 12,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.70 : 19,340.82 = 8,711.52 : x
  2. Step 2: Convert to fraction form
    14,012.70/19,340.82 = 8,711.52/x
  3. Step 3: Cross multiply
    14,012.70x = 19,340.82 × 8,711.52
  4. Step 4: Simplify right side
    14,012.70x = 168,487,940.25
  5. Step 5: Solve for x
    x = 168,487,940.25/14,012.70
  6. Step 6: Final answer
    x = 12,023.95

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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.