Home / 15,809.45-21,819.23-9,094.95

Finding the Fourth Proportional to 15,809.45, 21,819.23 and 9,094.95

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Solution

The fourth proportional to 15,809.45, 21,819.23 and 9,094.95 is: 12,552.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,809.45 : 21,819.23 = 9,094.95 : x
  2. Step 2: Convert to fraction form
    15,809.45/21,819.23 = 9,094.95/x
  3. Step 3: Cross multiply
    15,809.45x = 21,819.23 × 9,094.95
  4. Step 4: Simplify right side
    15,809.45x = 198,444,760.41
  5. Step 5: Solve for x
    x = 198,444,760.41/15,809.45
  6. Step 6: Final answer
    x = 12,552.29

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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.