Home / 13,272.99-18,317.04-7,305.18

Finding the Fourth Proportional to 13,272.99, 18,317.04 and 7,305.18

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Solution

The fourth proportional to 13,272.99, 18,317.04 and 7,305.18 is: 10,081.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.99 : 18,317.04 = 7,305.18 : x
  2. Step 2: Convert to fraction form
    13,272.99/18,317.04 = 7,305.18/x
  3. Step 3: Cross multiply
    13,272.99x = 18,317.04 × 7,305.18
  4. Step 4: Simplify right side
    13,272.99x = 133,809,274.27
  5. Step 5: Solve for x
    x = 133,809,274.27/13,272.99
  6. Step 6: Final answer
    x = 10,081.32

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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.