Home / 14,423.57-19,904.82-8,135.94

Finding the Fourth Proportional to 14,423.57, 19,904.82 and 8,135.94

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Solution

The fourth proportional to 14,423.57, 19,904.82 and 8,135.94 is: 11,227.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.57 : 19,904.82 = 8,135.94 : x
  2. Step 2: Convert to fraction form
    14,423.57/19,904.82 = 8,135.94/x
  3. Step 3: Cross multiply
    14,423.57x = 19,904.82 × 8,135.94
  4. Step 4: Simplify right side
    14,423.57x = 161,944,421.23
  5. Step 5: Solve for x
    x = 161,944,421.23/14,423.57
  6. Step 6: Final answer
    x = 11,227.77

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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.