Home / 14,423.52-19,904.46-8,135.91

Finding the Fourth Proportional to 14,423.52, 19,904.46 and 8,135.91

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Solution

The fourth proportional to 14,423.52, 19,904.46 and 8,135.91 is: 11,227.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.52 : 19,904.46 = 8,135.91 : x
  2. Step 2: Convert to fraction form
    14,423.52/19,904.46 = 8,135.91/x
  3. Step 3: Cross multiply
    14,423.52x = 19,904.46 × 8,135.91
  4. Step 4: Simplify right side
    14,423.52x = 161,940,895.16
  5. Step 5: Solve for x
    x = 161,940,895.16/14,423.52
  6. Step 6: Final answer
    x = 11,227.56

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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.