Home / 9,927.12-13,699.83-5,947.47

Finding the Fourth Proportional to 9,927.12, 13,699.83 and 5,947.47

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Solution

The fourth proportional to 9,927.12, 13,699.83 and 5,947.47 is: 8,207.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.12 : 13,699.83 = 5,947.47 : x
  2. Step 2: Convert to fraction form
    9,927.12/13,699.83 = 5,947.47/x
  3. Step 3: Cross multiply
    9,927.12x = 13,699.83 × 5,947.47
  4. Step 4: Simplify right side
    9,927.12x = 81,479,327.93
  5. Step 5: Solve for x
    x = 81,479,327.93/9,927.12
  6. Step 6: Final answer
    x = 8,207.75

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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.