Home / 20,157.04-30,202.08-7,002.28

Finding the Fourth Proportional to 20,157.04, 30,202.08 and 7,002.28

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Solution

The fourth proportional to 20,157.04, 30,202.08 and 7,002.28 is: 10,491.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157.04 : 30,202.08 = 7,002.28 : x
  2. Step 2: Convert to fraction form
    20,157.04/30,202.08 = 7,002.28/x
  3. Step 3: Cross multiply
    20,157.04x = 30,202.08 × 7,002.28
  4. Step 4: Simplify right side
    20,157.04x = 211,483,420.74
  5. Step 5: Solve for x
    x = 211,483,420.74/20,157.04
  6. Step 6: Final answer
    x = 10,491.79

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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.