Home / 19,361.40-29,052.90-8,266.20

Finding the Fourth Proportional to 19,361.40, 29,052.90 and 8,266.20

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Solution

The fourth proportional to 19,361.40, 29,052.90 and 8,266.20 is: 12,403.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361.40 : 29,052.90 = 8,266.20 : x
  2. Step 2: Convert to fraction form
    19,361.40/29,052.90 = 8,266.20/x
  3. Step 3: Cross multiply
    19,361.40x = 29,052.90 × 8,266.20
  4. Step 4: Simplify right side
    19,361.40x = 240,157,081.98
  5. Step 5: Solve for x
    x = 240,157,081.98/19,361.40
  6. Step 6: Final answer
    x = 12,403.91

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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.