Home / 10,649.11-15,973.67-3,721.99

Finding the Fourth Proportional to 10,649.11, 15,973.67 and 3,721.99

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Solution

The fourth proportional to 10,649.11, 15,973.67 and 3,721.99 is: 5,582.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649.11 : 15,973.67 = 3,721.99 : x
  2. Step 2: Convert to fraction form
    10,649.11/15,973.67 = 3,721.99/x
  3. Step 3: Cross multiply
    10,649.11x = 15,973.67 × 3,721.99
  4. Step 4: Simplify right side
    10,649.11x = 59,453,840.00
  5. Step 5: Solve for x
    x = 59,453,840.00/10,649.11
  6. Step 6: Final answer
    x = 5,582.99

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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.