Home / 14,138.92-21,209.08-5,374.52

Finding the Fourth Proportional to 14,138.92, 21,209.08 and 5,374.52

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Solution

The fourth proportional to 14,138.92, 21,209.08 and 5,374.52 is: 8,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138.92 : 21,209.08 = 5,374.52 : x
  2. Step 2: Convert to fraction form
    14,138.92/21,209.08 = 5,374.52/x
  3. Step 3: Cross multiply
    14,138.92x = 21,209.08 × 5,374.52
  4. Step 4: Simplify right side
    14,138.92x = 113,988,624.64
  5. Step 5: Solve for x
    x = 113,988,624.64/14,138.92
  6. Step 6: Final answer
    x = 8,062.05

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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.