Home / 13,335.05-18,400.88-7,365.23

Finding the Fourth Proportional to 13,335.05, 18,400.88 and 7,365.23

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Solution

The fourth proportional to 13,335.05, 18,400.88 and 7,365.23 is: 10,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.05 : 18,400.88 = 7,365.23 : x
  2. Step 2: Convert to fraction form
    13,335.05/18,400.88 = 7,365.23/x
  3. Step 3: Cross multiply
    13,335.05x = 18,400.88 × 7,365.23
  4. Step 4: Simplify right side
    13,335.05x = 135,526,621.40
  5. Step 5: Solve for x
    x = 135,526,621.40/13,335.05
  6. Step 6: Final answer
    x = 10,163.19

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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.