Home / 9,528.97-13,137.78-7,400.90

Finding the Fourth Proportional to 9,528.97, 13,137.78 and 7,400.90

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Solution

The fourth proportional to 9,528.97, 13,137.78 and 7,400.90 is: 10,203.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,528.97 : 13,137.78 = 7,400.90 : x
  2. Step 2: Convert to fraction form
    9,528.97/13,137.78 = 7,400.90/x
  3. Step 3: Cross multiply
    9,528.97x = 13,137.78 × 7,400.90
  4. Step 4: Simplify right side
    9,528.97x = 97,231,396.00
  5. Step 5: Solve for x
    x = 97,231,396.00/9,528.97
  6. Step 6: Final answer
    x = 10,203.77

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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.