Home / 14,423.52-19,904.45-8,135.90

Finding the Fourth Proportional to 14,423.52, 19,904.45 and 8,135.90

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Solution

The fourth proportional to 14,423.52, 19,904.45 and 8,135.90 is: 11,227.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.52 : 19,904.45 = 8,135.90 : x
  2. Step 2: Convert to fraction form
    14,423.52/19,904.45 = 8,135.90/x
  3. Step 3: Cross multiply
    14,423.52x = 19,904.45 × 8,135.90
  4. Step 4: Simplify right side
    14,423.52x = 161,940,515.23
  5. Step 5: Solve for x
    x = 161,940,515.23/14,423.52
  6. Step 6: Final answer
    x = 11,227.53

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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.