Home / 15,438.78-23,161.38-6,204.78

Finding the Fourth Proportional to 15,438.78, 23,161.38 and 6,204.78

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Solution

The fourth proportional to 15,438.78, 23,161.38 and 6,204.78 is: 9,308.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438.78 : 23,161.38 = 6,204.78 : x
  2. Step 2: Convert to fraction form
    15,438.78/23,161.38 = 6,204.78/x
  3. Step 3: Cross multiply
    15,438.78x = 23,161.38 × 6,204.78
  4. Step 4: Simplify right side
    15,438.78x = 143,711,267.40
  5. Step 5: Solve for x
    x = 143,711,267.40/15,438.78
  6. Step 6: Final answer
    x = 9,308.46

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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.