Home / 18,916.08-26,104.24-10,418

Finding the Fourth Proportional to 18,916.08, 26,104.24 and 10,418

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Solution

The fourth proportional to 18,916.08, 26,104.24 and 10,418 is: 14,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916.08 : 26,104.24 = 10,418 : x
  2. Step 2: Convert to fraction form
    18,916.08/26,104.24 = 10,418/x
  3. Step 3: Cross multiply
    18,916.08x = 26,104.24 × 10,418
  4. Step 4: Simplify right side
    18,916.08x = 271,953,972.32
  5. Step 5: Solve for x
    x = 271,953,972.32/18,916.08
  6. Step 6: Final answer
    x = 14,376.87

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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.