Home / 19,868.28-29,802.42-5,076.66

Finding the Fourth Proportional to 19,868.28, 29,802.42 and 5,076.66

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Solution

The fourth proportional to 19,868.28, 29,802.42 and 5,076.66 is: 7,614.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,868.28 : 29,802.42 = 5,076.66 : x
  2. Step 2: Convert to fraction form
    19,868.28/29,802.42 = 5,076.66/x
  3. Step 3: Cross multiply
    19,868.28x = 29,802.42 × 5,076.66
  4. Step 4: Simplify right side
    19,868.28x = 151,296,753.52
  5. Step 5: Solve for x
    x = 151,296,753.52/19,868.28
  6. Step 6: Final answer
    x = 7,614.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.