Home / 9,814.80-13,544.56-5,338.68

Finding the Fourth Proportional to 9,814.80, 13,544.56 and 5,338.68

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Solution

The fourth proportional to 9,814.80, 13,544.56 and 5,338.68 is: 7,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,814.80 : 13,544.56 = 5,338.68 : x
  2. Step 2: Convert to fraction form
    9,814.80/13,544.56 = 5,338.68/x
  3. Step 3: Cross multiply
    9,814.80x = 13,544.56 × 5,338.68
  4. Step 4: Simplify right side
    9,814.80x = 72,310,071.58
  5. Step 5: Solve for x
    x = 72,310,071.58/9,814.80
  6. Step 6: Final answer
    x = 7,367.45

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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.