Home / 9,530.53-13,152.14-5,338.78

Finding the Fourth Proportional to 9,530.53, 13,152.14 and 5,338.78

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Solution

The fourth proportional to 9,530.53, 13,152.14 and 5,338.78 is: 7,367.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,530.53 : 13,152.14 = 5,338.78 : x
  2. Step 2: Convert to fraction form
    9,530.53/13,152.14 = 5,338.78/x
  3. Step 3: Cross multiply
    9,530.53x = 13,152.14 × 5,338.78
  4. Step 4: Simplify right side
    9,530.53x = 70,216,355.30
  5. Step 5: Solve for x
    x = 70,216,355.30/9,530.53
  6. Step 6: Final answer
    x = 7,367.52

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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.