Home / 14,126.20-21,182.62-5,235.40

Finding the Fourth Proportional to 14,126.20, 21,182.62 and 5,235.40

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Solution

The fourth proportional to 14,126.20, 21,182.62 and 5,235.40 is: 7,850.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.20 : 21,182.62 = 5,235.40 : x
  2. Step 2: Convert to fraction form
    14,126.20/21,182.62 = 5,235.40/x
  3. Step 3: Cross multiply
    14,126.20x = 21,182.62 × 5,235.40
  4. Step 4: Simplify right side
    14,126.20x = 110,899,488.75
  5. Step 5: Solve for x
    x = 110,899,488.75/14,126.20
  6. Step 6: Final answer
    x = 7,850.62

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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.