Home / 14,113.38-21,166.98-5,785.20

Finding the Fourth Proportional to 14,113.38, 21,166.98 and 5,785.20

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Solution

The fourth proportional to 14,113.38, 21,166.98 and 5,785.20 is: 8,676.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.38 : 21,166.98 = 5,785.20 : x
  2. Step 2: Convert to fraction form
    14,113.38/21,166.98 = 5,785.20/x
  3. Step 3: Cross multiply
    14,113.38x = 21,166.98 × 5,785.20
  4. Step 4: Simplify right side
    14,113.38x = 122,455,212.70
  5. Step 5: Solve for x
    x = 122,455,212.70/14,113.38
  6. Step 6: Final answer
    x = 8,676.53

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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.