Home / 10,943.90-16,415.85-4,021.10

Finding the Fourth Proportional to 10,943.90, 16,415.85 and 4,021.10

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Solution

The fourth proportional to 10,943.90, 16,415.85 and 4,021.10 is: 6,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.90 : 16,415.85 = 4,021.10 : x
  2. Step 2: Convert to fraction form
    10,943.90/16,415.85 = 4,021.10/x
  3. Step 3: Cross multiply
    10,943.90x = 16,415.85 × 4,021.10
  4. Step 4: Simplify right side
    10,943.90x = 66,009,774.44
  5. Step 5: Solve for x
    x = 66,009,774.44/10,943.90
  6. Step 6: Final answer
    x = 6,031.65

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Similar ratio
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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.