Home / 16,920.60-23,346.45-9,842.82

Finding the Fourth Proportional to 16,920.60, 23,346.45 and 9,842.82

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Solution

The fourth proportional to 16,920.60, 23,346.45 and 9,842.82 is: 13,580.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.60 : 23,346.45 = 9,842.82 : x
  2. Step 2: Convert to fraction form
    16,920.60/23,346.45 = 9,842.82/x
  3. Step 3: Cross multiply
    16,920.60x = 23,346.45 × 9,842.82
  4. Step 4: Simplify right side
    16,920.60x = 229,794,904.99
  5. Step 5: Solve for x
    x = 229,794,904.99/16,920.60
  6. Step 6: Final answer
    x = 13,580.78

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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.