Home / 9,975.80-13,766.01-5,499.74

Finding the Fourth Proportional to 9,975.80, 13,766.01 and 5,499.74

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Solution

The fourth proportional to 9,975.80, 13,766.01 and 5,499.74 is: 7,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.80 : 13,766.01 = 5,499.74 : x
  2. Step 2: Convert to fraction form
    9,975.80/13,766.01 = 5,499.74/x
  3. Step 3: Cross multiply
    9,975.80x = 13,766.01 × 5,499.74
  4. Step 4: Simplify right side
    9,975.80x = 75,709,475.84
  5. Step 5: Solve for x
    x = 75,709,475.84/9,975.80
  6. Step 6: Final answer
    x = 7,589.31

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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.