Home / 14,749.19-22,120.29-4,218.89

Finding the Fourth Proportional to 14,749.19, 22,120.29 and 4,218.89

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Solution

The fourth proportional to 14,749.19, 22,120.29 and 4,218.89 is: 6,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,749.19 : 22,120.29 = 4,218.89 : x
  2. Step 2: Convert to fraction form
    14,749.19/22,120.29 = 4,218.89/x
  3. Step 3: Cross multiply
    14,749.19x = 22,120.29 × 4,218.89
  4. Step 4: Simplify right side
    14,749.19x = 93,322,959.68
  5. Step 5: Solve for x
    x = 93,322,959.68/14,749.19
  6. Step 6: Final answer
    x = 6,327.33

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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.