Home / 9,972.16-13,756.44-5,991.80

Finding the Fourth Proportional to 9,972.16, 13,756.44 and 5,991.80

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Solution

The fourth proportional to 9,972.16, 13,756.44 and 5,991.80 is: 8,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972.16 : 13,756.44 = 5,991.80 : x
  2. Step 2: Convert to fraction form
    9,972.16/13,756.44 = 5,991.80/x
  3. Step 3: Cross multiply
    9,972.16x = 13,756.44 × 5,991.80
  4. Step 4: Simplify right side
    9,972.16x = 82,425,837.19
  5. Step 5: Solve for x
    x = 82,425,837.19/9,972.16
  6. Step 6: Final answer
    x = 8,265.60

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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.