Home / 14,948.91-20,636.33-10,644.78

Finding the Fourth Proportional to 14,948.91, 20,636.33 and 10,644.78

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Solution

The fourth proportional to 14,948.91, 20,636.33 and 10,644.78 is: 14,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,948.91 : 20,636.33 = 10,644.78 : x
  2. Step 2: Convert to fraction form
    14,948.91/20,636.33 = 10,644.78/x
  3. Step 3: Cross multiply
    14,948.91x = 20,636.33 × 10,644.78
  4. Step 4: Simplify right side
    14,948.91x = 219,669,139.63
  5. Step 5: Solve for x
    x = 219,669,139.63/14,948.91
  6. Step 6: Final answer
    x = 14,694.66

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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.