Home / 20,446.71-28,214.51-11,950.82

Finding the Fourth Proportional to 20,446.71, 28,214.51 and 11,950.82

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Solution

The fourth proportional to 20,446.71, 28,214.51 and 11,950.82 is: 16,490.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446.71 : 28,214.51 = 11,950.82 : x
  2. Step 2: Convert to fraction form
    20,446.71/28,214.51 = 11,950.82/x
  3. Step 3: Cross multiply
    20,446.71x = 28,214.51 × 11,950.82
  4. Step 4: Simplify right side
    20,446.71x = 337,186,502.60
  5. Step 5: Solve for x
    x = 337,186,502.60/20,446.71
  6. Step 6: Final answer
    x = 16,490.99

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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.