Home / 14,144.60-21,219.19-4,785.19

Finding the Fourth Proportional to 14,144.60, 21,219.19 and 4,785.19

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Solution

The fourth proportional to 14,144.60, 21,219.19 and 4,785.19 is: 7,178.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.60 : 21,219.19 = 4,785.19 : x
  2. Step 2: Convert to fraction form
    14,144.60/21,219.19 = 4,785.19/x
  3. Step 3: Cross multiply
    14,144.60x = 21,219.19 × 4,785.19
  4. Step 4: Simplify right side
    14,144.60x = 101,537,749.70
  5. Step 5: Solve for x
    x = 101,537,749.70/14,144.60
  6. Step 6: Final answer
    x = 7,178.55

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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.