Home / 16,287.48-22,479.12-10,319.70

Finding the Fourth Proportional to 16,287.48, 22,479.12 and 10,319.70

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Solution

The fourth proportional to 16,287.48, 22,479.12 and 10,319.70 is: 14,242.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,287.48 : 22,479.12 = 10,319.70 : x
  2. Step 2: Convert to fraction form
    16,287.48/22,479.12 = 10,319.70/x
  3. Step 3: Cross multiply
    16,287.48x = 22,479.12 × 10,319.70
  4. Step 4: Simplify right side
    16,287.48x = 231,977,858.96
  5. Step 5: Solve for x
    x = 231,977,858.96/16,287.48
  6. Step 6: Final answer
    x = 14,242.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.