Home / 23,778.12-35,667.10-7,138.09

Finding the Fourth Proportional to 23,778.12, 35,667.10 and 7,138.09

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Solution

The fourth proportional to 23,778.12, 35,667.10 and 7,138.09 is: 10,707.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,778.12 : 35,667.10 = 7,138.09 : x
  2. Step 2: Convert to fraction form
    23,778.12/35,667.10 = 7,138.09/x
  3. Step 3: Cross multiply
    23,778.12x = 35,667.10 × 7,138.09
  4. Step 4: Simplify right side
    23,778.12x = 254,594,969.84
  5. Step 5: Solve for x
    x = 254,594,969.84/23,778.12
  6. Step 6: Final answer
    x = 10,707.11

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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.