Home / 8,845.95-12,207.39-5,069.13

Finding the Fourth Proportional to 8,845.95, 12,207.39 and 5,069.13

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Solution

The fourth proportional to 8,845.95, 12,207.39 and 5,069.13 is: 6,995.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.95 : 12,207.39 = 5,069.13 : x
  2. Step 2: Convert to fraction form
    8,845.95/12,207.39 = 5,069.13/x
  3. Step 3: Cross multiply
    8,845.95x = 12,207.39 × 5,069.13
  4. Step 4: Simplify right side
    8,845.95x = 61,880,846.87
  5. Step 5: Solve for x
    x = 61,880,846.87/8,845.95
  6. Step 6: Final answer
    x = 6,995.39

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Half scale
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Double scale
Find fourth proportional to 8,846.95, 12,208.77 and 5,070.13
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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.