Home / 11,289.10-15,577.77-6,253.19

Finding the Fourth Proportional to 11,289.10, 15,577.77 and 6,253.19

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Solution

The fourth proportional to 11,289.10, 15,577.77 and 6,253.19 is: 8,628.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.10 : 15,577.77 = 6,253.19 : x
  2. Step 2: Convert to fraction form
    11,289.10/15,577.77 = 6,253.19/x
  3. Step 3: Cross multiply
    11,289.10x = 15,577.77 × 6,253.19
  4. Step 4: Simplify right side
    11,289.10x = 97,410,755.59
  5. Step 5: Solve for x
    x = 97,410,755.59/11,289.10
  6. Step 6: Final answer
    x = 8,628.74

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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.