Home / 10,289.22-15,422.18-4,731.09

Finding the Fourth Proportional to 10,289.22, 15,422.18 and 4,731.09

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Solution

The fourth proportional to 10,289.22, 15,422.18 and 4,731.09 is: 7,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.22 : 15,422.18 = 4,731.09 : x
  2. Step 2: Convert to fraction form
    10,289.22/15,422.18 = 4,731.09/x
  3. Step 3: Cross multiply
    10,289.22x = 15,422.18 × 4,731.09
  4. Step 4: Simplify right side
    10,289.22x = 72,963,640.09
  5. Step 5: Solve for x
    x = 72,963,640.09/10,289.22
  6. Step 6: Final answer
    x = 7,091.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.