Home / 10,220.42-14,103.78-6,248.18

Finding the Fourth Proportional to 10,220.42, 14,103.78 and 6,248.18

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Solution

The fourth proportional to 10,220.42, 14,103.78 and 6,248.18 is: 8,622.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.42 : 14,103.78 = 6,248.18 : x
  2. Step 2: Convert to fraction form
    10,220.42/14,103.78 = 6,248.18/x
  3. Step 3: Cross multiply
    10,220.42x = 14,103.78 × 6,248.18
  4. Step 4: Simplify right side
    10,220.42x = 88,122,956.12
  5. Step 5: Solve for x
    x = 88,122,956.12/10,220.42
  6. Step 6: Final answer
    x = 8,622.24

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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.