Home / 13,494.18-18,621.99-7,444.28

Finding the Fourth Proportional to 13,494.18, 18,621.99 and 7,444.28

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Solution

The fourth proportional to 13,494.18, 18,621.99 and 7,444.28 is: 10,273.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494.18 : 18,621.99 = 7,444.28 : x
  2. Step 2: Convert to fraction form
    13,494.18/18,621.99 = 7,444.28/x
  3. Step 3: Cross multiply
    13,494.18x = 18,621.99 × 7,444.28
  4. Step 4: Simplify right side
    13,494.18x = 138,627,326.36
  5. Step 5: Solve for x
    x = 138,627,326.36/13,494.18
  6. Step 6: Final answer
    x = 10,273.12

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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.