Home / 11,007.36-15,190.15-6,291.74

Finding the Fourth Proportional to 11,007.36, 15,190.15 and 6,291.74

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Solution

The fourth proportional to 11,007.36, 15,190.15 and 6,291.74 is: 8,682.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.36 : 15,190.15 = 6,291.74 : x
  2. Step 2: Convert to fraction form
    11,007.36/15,190.15 = 6,291.74/x
  3. Step 3: Cross multiply
    11,007.36x = 15,190.15 × 6,291.74
  4. Step 4: Simplify right side
    11,007.36x = 95,572,398.41
  5. Step 5: Solve for x
    x = 95,572,398.41/11,007.36
  6. Step 6: Final answer
    x = 8,682.59

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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.