Home / 9,776.66-13,486.79-6,236.15

Finding the Fourth Proportional to 9,776.66, 13,486.79 and 6,236.15

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Solution

The fourth proportional to 9,776.66, 13,486.79 and 6,236.15 is: 8,602.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,776.66 : 13,486.79 = 6,236.15 : x
  2. Step 2: Convert to fraction form
    9,776.66/13,486.79 = 6,236.15/x
  3. Step 3: Cross multiply
    9,776.66x = 13,486.79 × 6,236.15
  4. Step 4: Simplify right side
    9,776.66x = 84,105,614.28
  5. Step 5: Solve for x
    x = 84,105,614.28/9,776.66
  6. Step 6: Final answer
    x = 8,602.69

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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.