Home / 23,438.07-35,161.80-8,647.05

Finding the Fourth Proportional to 23,438.07, 35,161.80 and 8,647.05

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Solution

The fourth proportional to 23,438.07, 35,161.80 and 8,647.05 is: 12,972.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,438.07 : 35,161.80 = 8,647.05 : x
  2. Step 2: Convert to fraction form
    23,438.07/35,161.80 = 8,647.05/x
  3. Step 3: Cross multiply
    23,438.07x = 35,161.80 × 8,647.05
  4. Step 4: Simplify right side
    23,438.07x = 304,045,842.69
  5. Step 5: Solve for x
    x = 304,045,842.69/23,438.07
  6. Step 6: Final answer
    x = 12,972.31

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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.