Home / 13,323.06-18,385.89-7,355.13

Finding the Fourth Proportional to 13,323.06, 18,385.89 and 7,355.13

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Solution

The fourth proportional to 13,323.06, 18,385.89 and 7,355.13 is: 10,150.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.06 : 18,385.89 = 7,355.13 : x
  2. Step 2: Convert to fraction form
    13,323.06/18,385.89 = 7,355.13/x
  3. Step 3: Cross multiply
    13,323.06x = 18,385.89 × 7,355.13
  4. Step 4: Simplify right side
    13,323.06x = 135,230,611.12
  5. Step 5: Solve for x
    x = 135,230,611.12/13,323.06
  6. Step 6: Final answer
    x = 10,150.12

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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.