Home / 9,172.20-13,752.74-5,006.42

Finding the Fourth Proportional to 9,172.20, 13,752.74 and 5,006.42

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Solution

The fourth proportional to 9,172.20, 13,752.74 and 5,006.42 is: 7,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.20 : 13,752.74 = 5,006.42 : x
  2. Step 2: Convert to fraction form
    9,172.20/13,752.74 = 5,006.42/x
  3. Step 3: Cross multiply
    9,172.20x = 13,752.74 × 5,006.42
  4. Step 4: Simplify right side
    9,172.20x = 68,851,992.59
  5. Step 5: Solve for x
    x = 68,851,992.59/9,172.20
  6. Step 6: Final answer
    x = 7,506.60

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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.