Home / 18,354.78-25,327.77-10,395.42

Finding the Fourth Proportional to 18,354.78, 25,327.77 and 10,395.42

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Solution

The fourth proportional to 18,354.78, 25,327.77 and 10,395.42 is: 14,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.78 : 25,327.77 = 10,395.42 : x
  2. Step 2: Convert to fraction form
    18,354.78/25,327.77 = 10,395.42/x
  3. Step 3: Cross multiply
    18,354.78x = 25,327.77 × 10,395.42
  4. Step 4: Simplify right side
    18,354.78x = 263,292,806.81
  5. Step 5: Solve for x
    x = 263,292,806.81/18,354.78
  6. Step 6: Final answer
    x = 14,344.65

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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.