Home / 13,284.54-18,333.87-7,317.42

Finding the Fourth Proportional to 13,284.54, 18,333.87 and 7,317.42

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Solution

The fourth proportional to 13,284.54, 18,333.87 and 7,317.42 is: 10,098.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.54 : 18,333.87 = 7,317.42 : x
  2. Step 2: Convert to fraction form
    13,284.54/18,333.87 = 7,317.42/x
  3. Step 3: Cross multiply
    13,284.54x = 18,333.87 × 7,317.42
  4. Step 4: Simplify right side
    13,284.54x = 134,156,627.02
  5. Step 5: Solve for x
    x = 134,156,627.02/13,284.54
  6. Step 6: Final answer
    x = 10,098.70

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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.