Home / 10,219.28-14,102.48-5,743.79

Finding the Fourth Proportional to 10,219.28, 14,102.48 and 5,743.79

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Solution

The fourth proportional to 10,219.28, 14,102.48 and 5,743.79 is: 7,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.28 : 14,102.48 = 5,743.79 : x
  2. Step 2: Convert to fraction form
    10,219.28/14,102.48 = 5,743.79/x
  3. Step 3: Cross multiply
    10,219.28x = 14,102.48 × 5,743.79
  4. Step 4: Simplify right side
    10,219.28x = 81,001,683.60
  5. Step 5: Solve for x
    x = 81,001,683.60/10,219.28
  6. Step 6: Final answer
    x = 7,926.36

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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.