Home / 22,433.40-30,958.20-12,875.40

Finding the Fourth Proportional to 22,433.40, 30,958.20 and 12,875.40

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Solution

The fourth proportional to 22,433.40, 30,958.20 and 12,875.40 is: 17,768.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,433.40 : 30,958.20 = 12,875.40 : x
  2. Step 2: Convert to fraction form
    22,433.40/30,958.20 = 12,875.40/x
  3. Step 3: Cross multiply
    22,433.40x = 30,958.20 × 12,875.40
  4. Step 4: Simplify right side
    22,433.40x = 398,599,208.28
  5. Step 5: Solve for x
    x = 398,599,208.28/22,433.40
  6. Step 6: Final answer
    x = 17,768.11

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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.