Home / 10,221.93-14,107.57-6,242.21

Finding the Fourth Proportional to 10,221.93, 14,107.57 and 6,242.21

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Solution

The fourth proportional to 10,221.93, 14,107.57 and 6,242.21 is: 8,615.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.93 : 14,107.57 = 6,242.21 : x
  2. Step 2: Convert to fraction form
    10,221.93/14,107.57 = 6,242.21/x
  3. Step 3: Cross multiply
    10,221.93x = 14,107.57 × 6,242.21
  4. Step 4: Simplify right side
    10,221.93x = 88,062,343.99
  5. Step 5: Solve for x
    x = 88,062,343.99/10,221.93
  6. Step 6: Final answer
    x = 8,615.04

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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.