Home / 20,314.40-30,463.36-6,271.04

Finding the Fourth Proportional to 20,314.40, 30,463.36 and 6,271.04

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Solution

The fourth proportional to 20,314.40, 30,463.36 and 6,271.04 is: 9,404.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,314.40 : 30,463.36 = 6,271.04 : x
  2. Step 2: Convert to fraction form
    20,314.40/30,463.36 = 6,271.04/x
  3. Step 3: Cross multiply
    20,314.40x = 30,463.36 × 6,271.04
  4. Step 4: Simplify right side
    20,314.40x = 191,036,949.09
  5. Step 5: Solve for x
    x = 191,036,949.09/20,314.40
  6. Step 6: Final answer
    x = 9,404.02

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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.