Home / 22,281.60-30,742.20-12,848.34

Finding the Fourth Proportional to 22,281.60, 30,742.20 and 12,848.34

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Solution

The fourth proportional to 22,281.60, 30,742.20 and 12,848.34 is: 17,727.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,281.60 : 30,742.20 = 12,848.34 : x
  2. Step 2: Convert to fraction form
    22,281.60/30,742.20 = 12,848.34/x
  3. Step 3: Cross multiply
    22,281.60x = 30,742.20 × 12,848.34
  4. Step 4: Simplify right side
    22,281.60x = 394,986,237.95
  5. Step 5: Solve for x
    x = 394,986,237.95/22,281.60
  6. Step 6: Final answer
    x = 17,727.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.