Home / 14,220.72-21,335.18-4,361.45

Finding the Fourth Proportional to 14,220.72, 21,335.18 and 4,361.45

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Solution

The fourth proportional to 14,220.72, 21,335.18 and 4,361.45 is: 6,543.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.72 : 21,335.18 = 4,361.45 : x
  2. Step 2: Convert to fraction form
    14,220.72/21,335.18 = 4,361.45/x
  3. Step 3: Cross multiply
    14,220.72x = 21,335.18 × 4,361.45
  4. Step 4: Simplify right side
    14,220.72x = 93,052,320.81
  5. Step 5: Solve for x
    x = 93,052,320.81/14,220.72
  6. Step 6: Final answer
    x = 6,543.43

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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.