Home / 20,297.74-30,397.38-14,040.18

Finding the Fourth Proportional to 20,297.74, 30,397.38 and 14,040.18

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Solution

The fourth proportional to 20,297.74, 30,397.38 and 14,040.18 is: 21,026.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,297.74 : 30,397.38 = 14,040.18 : x
  2. Step 2: Convert to fraction form
    20,297.74/30,397.38 = 14,040.18/x
  3. Step 3: Cross multiply
    20,297.74x = 30,397.38 × 14,040.18
  4. Step 4: Simplify right side
    20,297.74x = 426,784,686.73
  5. Step 5: Solve for x
    x = 426,784,686.73/20,297.74
  6. Step 6: Final answer
    x = 21,026.22

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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.