Home / 18,386.04-25,375.37-10,320.56

Finding the Fourth Proportional to 18,386.04, 25,375.37 and 10,320.56

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Solution

The fourth proportional to 18,386.04, 25,375.37 and 10,320.56 is: 14,243.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386.04 : 25,375.37 = 10,320.56 : x
  2. Step 2: Convert to fraction form
    18,386.04/25,375.37 = 10,320.56/x
  3. Step 3: Cross multiply
    18,386.04x = 25,375.37 × 10,320.56
  4. Step 4: Simplify right side
    18,386.04x = 261,887,850.13
  5. Step 5: Solve for x
    x = 261,887,850.13/18,386.04
  6. Step 6: Final answer
    x = 14,243.84

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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.