Home / 11,077.39-15,288.10-6,298.05

Finding the Fourth Proportional to 11,077.39, 15,288.10 and 6,298.05

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Solution

The fourth proportional to 11,077.39, 15,288.10 and 6,298.05 is: 8,692.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.39 : 15,288.10 = 6,298.05 : x
  2. Step 2: Convert to fraction form
    11,077.39/15,288.10 = 6,298.05/x
  3. Step 3: Cross multiply
    11,077.39x = 15,288.10 × 6,298.05
  4. Step 4: Simplify right side
    11,077.39x = 96,285,218.21
  5. Step 5: Solve for x
    x = 96,285,218.21/11,077.39
  6. Step 6: Final answer
    x = 8,692.05

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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.