Home / 16,442.12-22,642.40-14,287.73

Finding the Fourth Proportional to 16,442.12, 22,642.40 and 14,287.73

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Solution

The fourth proportional to 16,442.12, 22,642.40 and 14,287.73 is: 19,675.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,442.12 : 22,642.40 = 14,287.73 : x
  2. Step 2: Convert to fraction form
    16,442.12/22,642.40 = 14,287.73/x
  3. Step 3: Cross multiply
    16,442.12x = 22,642.40 × 14,287.73
  4. Step 4: Simplify right side
    16,442.12x = 323,508,420.26
  5. Step 5: Solve for x
    x = 323,508,420.26/16,442.12
  6. Step 6: Final answer
    x = 19,675.59

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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.