Home / 9,299.19-12,829.73-5,317.47

Finding the Fourth Proportional to 9,299.19, 12,829.73 and 5,317.47

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Solution

The fourth proportional to 9,299.19, 12,829.73 and 5,317.47 is: 7,336.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,299.19 : 12,829.73 = 5,317.47 : x
  2. Step 2: Convert to fraction form
    9,299.19/12,829.73 = 5,317.47/x
  3. Step 3: Cross multiply
    9,299.19x = 12,829.73 × 5,317.47
  4. Step 4: Simplify right side
    9,299.19x = 68,221,704.38
  5. Step 5: Solve for x
    x = 68,221,704.38/9,299.19
  6. Step 6: Final answer
    x = 7,336.31

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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.