Home / 14,552.20-21,837.90-5,318.20

Finding the Fourth Proportional to 14,552.20, 21,837.90 and 5,318.20

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Solution

The fourth proportional to 14,552.20, 21,837.90 and 5,318.20 is: 7,980.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,552.20 : 21,837.90 = 5,318.20 : x
  2. Step 2: Convert to fraction form
    14,552.20/21,837.90 = 5,318.20/x
  3. Step 3: Cross multiply
    14,552.20x = 21,837.90 × 5,318.20
  4. Step 4: Simplify right side
    14,552.20x = 116,138,319.78
  5. Step 5: Solve for x
    x = 116,138,319.78/14,552.20
  6. Step 6: Final answer
    x = 7,980.81

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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.