Home / 18,435.13-25,358.29-16,155.18

Finding the Fourth Proportional to 18,435.13, 25,358.29 and 16,155.18

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Solution

The fourth proportional to 18,435.13, 25,358.29 and 16,155.18 is: 22,222.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.13 : 25,358.29 = 16,155.18 : x
  2. Step 2: Convert to fraction form
    18,435.13/25,358.29 = 16,155.18/x
  3. Step 3: Cross multiply
    18,435.13x = 25,358.29 × 16,155.18
  4. Step 4: Simplify right side
    18,435.13x = 409,667,699.05
  5. Step 5: Solve for x
    x = 409,667,699.05/18,435.13
  6. Step 6: Final answer
    x = 22,222.12

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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.