Home / 11,089.41-15,303.37-8,259.20

Finding the Fourth Proportional to 11,089.41, 15,303.37 and 8,259.20

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Solution

The fourth proportional to 11,089.41, 15,303.37 and 8,259.20 is: 11,397.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.41 : 15,303.37 = 8,259.20 : x
  2. Step 2: Convert to fraction form
    11,089.41/15,303.37 = 8,259.20/x
  3. Step 3: Cross multiply
    11,089.41x = 15,303.37 × 8,259.20
  4. Step 4: Simplify right side
    11,089.41x = 126,393,552.21
  5. Step 5: Solve for x
    x = 126,393,552.21/11,089.41
  6. Step 6: Final answer
    x = 11,397.68

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Half scale
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Double scale
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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.