Home / 15,520.62-23,277.15-4,428.30

Finding the Fourth Proportional to 15,520.62, 23,277.15 and 4,428.30

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Solution

The fourth proportional to 15,520.62, 23,277.15 and 4,428.30 is: 6,641.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520.62 : 23,277.15 = 4,428.30 : x
  2. Step 2: Convert to fraction form
    15,520.62/23,277.15 = 4,428.30/x
  3. Step 3: Cross multiply
    15,520.62x = 23,277.15 × 4,428.30
  4. Step 4: Simplify right side
    15,520.62x = 103,078,203.35
  5. Step 5: Solve for x
    x = 103,078,203.35/15,520.62
  6. Step 6: Final answer
    x = 6,641.37

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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.