Home / 11,101.41-15,320.79-6,322.91

Finding the Fourth Proportional to 11,101.41, 15,320.79 and 6,322.91

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Solution

The fourth proportional to 11,101.41, 15,320.79 and 6,322.91 is: 8,726.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.41 : 15,320.79 = 6,322.91 : x
  2. Step 2: Convert to fraction form
    11,101.41/15,320.79 = 6,322.91/x
  3. Step 3: Cross multiply
    11,101.41x = 15,320.79 × 6,322.91
  4. Step 4: Simplify right side
    11,101.41x = 96,871,899.69
  5. Step 5: Solve for x
    x = 96,871,899.69/11,101.41
  6. Step 6: Final answer
    x = 8,726.09

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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.