Home / 11,340.21-15,649.56-6,304.91

Finding the Fourth Proportional to 11,340.21, 15,649.56 and 6,304.91

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Solution

The fourth proportional to 11,340.21, 15,649.56 and 6,304.91 is: 8,700.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.21 : 15,649.56 = 6,304.91 : x
  2. Step 2: Convert to fraction form
    11,340.21/15,649.56 = 6,304.91/x
  3. Step 3: Cross multiply
    11,340.21x = 15,649.56 × 6,304.91
  4. Step 4: Simplify right side
    11,340.21x = 98,668,989.09
  5. Step 5: Solve for x
    x = 98,668,989.09/11,340.21
  6. Step 6: Final answer
    x = 8,700.81

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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.