Home / 10,172.10-15,252.21-4,325.70

Finding the Fourth Proportional to 10,172.10, 15,252.21 and 4,325.70

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Solution

The fourth proportional to 10,172.10, 15,252.21 and 4,325.70 is: 6,486.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172.10 : 15,252.21 = 4,325.70 : x
  2. Step 2: Convert to fraction form
    10,172.10/15,252.21 = 4,325.70/x
  3. Step 3: Cross multiply
    10,172.10x = 15,252.21 × 4,325.70
  4. Step 4: Simplify right side
    10,172.10x = 65,976,484.80
  5. Step 5: Solve for x
    x = 65,976,484.80/10,172.10
  6. Step 6: Final answer
    x = 6,486.02

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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.