Home / 9,535.12-13,155.44-5,342.56

Finding the Fourth Proportional to 9,535.12, 13,155.44 and 5,342.56

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Solution

The fourth proportional to 9,535.12, 13,155.44 and 5,342.56 is: 7,371.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,535.12 : 13,155.44 = 5,342.56 : x
  2. Step 2: Convert to fraction form
    9,535.12/13,155.44 = 5,342.56/x
  3. Step 3: Cross multiply
    9,535.12x = 13,155.44 × 5,342.56
  4. Step 4: Simplify right side
    9,535.12x = 70,283,727.53
  5. Step 5: Solve for x
    x = 70,283,727.53/9,535.12
  6. Step 6: Final answer
    x = 7,371.04

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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.