Home / 16,242.17-22,418.33-10,865.21

Finding the Fourth Proportional to 16,242.17, 22,418.33 and 10,865.21

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Solution

The fourth proportional to 16,242.17, 22,418.33 and 10,865.21 is: 14,996.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,242.17 : 22,418.33 = 10,865.21 : x
  2. Step 2: Convert to fraction form
    16,242.17/22,418.33 = 10,865.21/x
  3. Step 3: Cross multiply
    16,242.17x = 22,418.33 × 10,865.21
  4. Step 4: Simplify right side
    16,242.17x = 243,579,696.88
  5. Step 5: Solve for x
    x = 243,579,696.88/16,242.17
  6. Step 6: Final answer
    x = 14,996.75

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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.