Home / 15,810.60-21,819.44-9,436.44

Finding the Fourth Proportional to 15,810.60, 21,819.44 and 9,436.44

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Solution

The fourth proportional to 15,810.60, 21,819.44 and 9,436.44 is: 13,022.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,810.60 : 21,819.44 = 9,436.44 : x
  2. Step 2: Convert to fraction form
    15,810.60/21,819.44 = 9,436.44/x
  3. Step 3: Cross multiply
    15,810.60x = 21,819.44 × 9,436.44
  4. Step 4: Simplify right side
    15,810.60x = 205,897,836.39
  5. Step 5: Solve for x
    x = 205,897,836.39/15,810.60
  6. Step 6: Final answer
    x = 13,022.77

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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.