Home / 9,772.49-13,485.21-5,523.93

Finding the Fourth Proportional to 9,772.49, 13,485.21 and 5,523.93

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Solution

The fourth proportional to 9,772.49, 13,485.21 and 5,523.93 is: 7,622.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772.49 : 13,485.21 = 5,523.93 : x
  2. Step 2: Convert to fraction form
    9,772.49/13,485.21 = 5,523.93/x
  3. Step 3: Cross multiply
    9,772.49x = 13,485.21 × 5,523.93
  4. Step 4: Simplify right side
    9,772.49x = 74,491,356.08
  5. Step 5: Solve for x
    x = 74,491,356.08/9,772.49
  6. Step 6: Final answer
    x = 7,622.56

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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.