Home / 20,304.72-30,462.84-7,157.52

Finding the Fourth Proportional to 20,304.72, 30,462.84 and 7,157.52

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Solution

The fourth proportional to 20,304.72, 30,462.84 and 7,157.52 is: 10,738.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,304.72 : 30,462.84 = 7,157.52 : x
  2. Step 2: Convert to fraction form
    20,304.72/30,462.84 = 7,157.52/x
  3. Step 3: Cross multiply
    20,304.72x = 30,462.84 × 7,157.52
  4. Step 4: Simplify right side
    20,304.72x = 218,038,386.56
  5. Step 5: Solve for x
    x = 218,038,386.56/20,304.72
  6. Step 6: Final answer
    x = 10,738.31

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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.