Home / 13,352.32-18,425.04-8,317.12

Finding the Fourth Proportional to 13,352.32, 18,425.04 and 8,317.12

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Solution

The fourth proportional to 13,352.32, 18,425.04 and 8,317.12 is: 11,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.32 : 18,425.04 = 8,317.12 : x
  2. Step 2: Convert to fraction form
    13,352.32/18,425.04 = 8,317.12/x
  3. Step 3: Cross multiply
    13,352.32x = 18,425.04 × 8,317.12
  4. Step 4: Simplify right side
    13,352.32x = 153,243,268.68
  5. Step 5: Solve for x
    x = 153,243,268.68/13,352.32
  6. Step 6: Final answer
    x = 11,476.90

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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.