Home / 10,218.14-14,100.94-5,742.28

Finding the Fourth Proportional to 10,218.14, 14,100.94 and 5,742.28

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Solution

The fourth proportional to 10,218.14, 14,100.94 and 5,742.28 is: 7,924.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.14 : 14,100.94 = 5,742.28 : x
  2. Step 2: Convert to fraction form
    10,218.14/14,100.94 = 5,742.28/x
  3. Step 3: Cross multiply
    10,218.14x = 14,100.94 × 5,742.28
  4. Step 4: Simplify right side
    10,218.14x = 80,971,545.74
  5. Step 5: Solve for x
    x = 80,971,545.74/10,218.14
  6. Step 6: Final answer
    x = 7,924.29

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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.