Home / 13,367.02-18,446.20-7,317.27

Finding the Fourth Proportional to 13,367.02, 18,446.20 and 7,317.27

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Solution

The fourth proportional to 13,367.02, 18,446.20 and 7,317.27 is: 10,097.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.02 : 18,446.20 = 7,317.27 : x
  2. Step 2: Convert to fraction form
    13,367.02/18,446.20 = 7,317.27/x
  3. Step 3: Cross multiply
    13,367.02x = 18,446.20 × 7,317.27
  4. Step 4: Simplify right side
    13,367.02x = 134,975,825.87
  5. Step 5: Solve for x
    x = 134,975,825.87/13,367.02
  6. Step 6: Final answer
    x = 10,097.68

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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.