Home / 10,270.80-14,172.12-5,794.20

Finding the Fourth Proportional to 10,270.80, 14,172.12 and 5,794.20

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Solution

The fourth proportional to 10,270.80, 14,172.12 and 5,794.20 is: 7,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,270.80 : 14,172.12 = 5,794.20 : x
  2. Step 2: Convert to fraction form
    10,270.80/14,172.12 = 5,794.20/x
  3. Step 3: Cross multiply
    10,270.80x = 14,172.12 × 5,794.20
  4. Step 4: Simplify right side
    10,270.80x = 82,116,097.70
  5. Step 5: Solve for x
    x = 82,116,097.70/10,270.80
  6. Step 6: Final answer
    x = 7,995.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.