Home / 20,147.04-30,211.20-6,995.52

Finding the Fourth Proportional to 20,147.04, 30,211.20 and 6,995.52

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Solution

The fourth proportional to 20,147.04, 30,211.20 and 6,995.52 is: 10,490.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147.04 : 30,211.20 = 6,995.52 : x
  2. Step 2: Convert to fraction form
    20,147.04/30,211.20 = 6,995.52/x
  3. Step 3: Cross multiply
    20,147.04x = 30,211.20 × 6,995.52
  4. Step 4: Simplify right side
    20,147.04x = 211,343,053.82
  5. Step 5: Solve for x
    x = 211,343,053.82/20,147.04
  6. Step 6: Final answer
    x = 10,490.03

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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.