Home / 14,048.10-20,913.12-13,974.66

Finding the Fourth Proportional to 14,048.10, 20,913.12 and 13,974.66

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Solution

The fourth proportional to 14,048.10, 20,913.12 and 13,974.66 is: 20,803.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.10 : 20,913.12 = 13,974.66 : x
  2. Step 2: Convert to fraction form
    14,048.10/20,913.12 = 13,974.66/x
  3. Step 3: Cross multiply
    14,048.10x = 20,913.12 × 13,974.66
  4. Step 4: Simplify right side
    14,048.10x = 292,253,741.54
  5. Step 5: Solve for x
    x = 292,253,741.54/14,048.10
  6. Step 6: Final answer
    x = 20,803.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.