Home / 10,220.42-14,098.88-6,864.19

Finding the Fourth Proportional to 10,220.42, 14,098.88 and 6,864.19

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Solution

The fourth proportional to 10,220.42, 14,098.88 and 6,864.19 is: 9,469.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.42 : 14,098.88 = 6,864.19 : x
  2. Step 2: Convert to fraction form
    10,220.42/14,098.88 = 6,864.19/x
  3. Step 3: Cross multiply
    10,220.42x = 14,098.88 × 6,864.19
  4. Step 4: Simplify right side
    10,220.42x = 96,777,391.11
  5. Step 5: Solve for x
    x = 96,777,391.11/10,220.42
  6. Step 6: Final answer
    x = 9,469.02

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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.