Home / 10,220.10-14,103.84-5,743.91

Finding the Fourth Proportional to 10,220.10, 14,103.84 and 5,743.91

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Solution

The fourth proportional to 10,220.10, 14,103.84 and 5,743.91 is: 7,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.10 : 14,103.84 = 5,743.91 : x
  2. Step 2: Convert to fraction form
    10,220.10/14,103.84 = 5,743.91/x
  3. Step 3: Cross multiply
    10,220.10x = 14,103.84 × 5,743.91
  4. Step 4: Simplify right side
    10,220.10x = 81,011,117.10
  5. Step 5: Solve for x
    x = 81,011,117.10/10,220.10
  6. Step 6: Final answer
    x = 7,926.65

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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.