Home / 23,178.05-34,785.45-9,141.59

Finding the Fourth Proportional to 23,178.05, 34,785.45 and 9,141.59

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Solution

The fourth proportional to 23,178.05, 34,785.45 and 9,141.59 is: 13,719.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,178.05 : 34,785.45 = 9,141.59 : x
  2. Step 2: Convert to fraction form
    23,178.05/34,785.45 = 9,141.59/x
  3. Step 3: Cross multiply
    23,178.05x = 34,785.45 × 9,141.59
  4. Step 4: Simplify right side
    23,178.05x = 317,994,408.83
  5. Step 5: Solve for x
    x = 317,994,408.83/23,178.05
  6. Step 6: Final answer
    x = 13,719.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.