Home / 14,008.29-21,007.85-10,891.82

Finding the Fourth Proportional to 14,008.29, 21,007.85 and 10,891.82

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Solution

The fourth proportional to 14,008.29, 21,007.85 and 10,891.82 is: 16,334.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.29 : 21,007.85 = 10,891.82 : x
  2. Step 2: Convert to fraction form
    14,008.29/21,007.85 = 10,891.82/x
  3. Step 3: Cross multiply
    14,008.29x = 21,007.85 × 10,891.82
  4. Step 4: Simplify right side
    14,008.29x = 228,813,561.29
  5. Step 5: Solve for x
    x = 228,813,561.29/14,008.29
  6. Step 6: Final answer
    x = 16,334.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.