Home / 14,023.60-21,036.48-4,162.72

Finding the Fourth Proportional to 14,023.60, 21,036.48 and 4,162.72

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Solution

The fourth proportional to 14,023.60, 21,036.48 and 4,162.72 is: 6,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,023.60 : 21,036.48 = 4,162.72 : x
  2. Step 2: Convert to fraction form
    14,023.60/21,036.48 = 4,162.72/x
  3. Step 3: Cross multiply
    14,023.60x = 21,036.48 × 4,162.72
  4. Step 4: Simplify right side
    14,023.60x = 87,568,976.03
  5. Step 5: Solve for x
    x = 87,568,976.03/14,023.60
  6. Step 6: Final answer
    x = 6,244.40

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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.