Home / 10,982.90-15,156.47-6,137.63

Finding the Fourth Proportional to 10,982.90, 15,156.47 and 6,137.63

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Solution

The fourth proportional to 10,982.90, 15,156.47 and 6,137.63 is: 8,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.90 : 15,156.47 = 6,137.63 : x
  2. Step 2: Convert to fraction form
    10,982.90/15,156.47 = 6,137.63/x
  3. Step 3: Cross multiply
    10,982.90x = 15,156.47 × 6,137.63
  4. Step 4: Simplify right side
    10,982.90x = 93,024,698.50
  5. Step 5: Solve for x
    x = 93,024,698.50/10,982.90
  6. Step 6: Final answer
    x = 8,469.96

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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.