Home / 22,420.66-30,941.33-13,927.46

Finding the Fourth Proportional to 22,420.66, 30,941.33 and 13,927.46

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Solution

The fourth proportional to 22,420.66, 30,941.33 and 13,927.46 is: 19,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,420.66 : 30,941.33 = 13,927.46 : x
  2. Step 2: Convert to fraction form
    22,420.66/30,941.33 = 13,927.46/x
  3. Step 3: Cross multiply
    22,420.66x = 30,941.33 × 13,927.46
  4. Step 4: Simplify right side
    22,420.66x = 430,934,135.92
  5. Step 5: Solve for x
    x = 430,934,135.92/22,420.66
  6. Step 6: Final answer
    x = 19,220.40

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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.