Home / 19,371.76-29,051.28-6,221.02

Finding the Fourth Proportional to 19,371.76, 29,051.28 and 6,221.02

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Solution

The fourth proportional to 19,371.76, 29,051.28 and 6,221.02 is: 9,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371.76 : 29,051.28 = 6,221.02 : x
  2. Step 2: Convert to fraction form
    19,371.76/29,051.28 = 6,221.02/x
  3. Step 3: Cross multiply
    19,371.76x = 29,051.28 × 6,221.02
  4. Step 4: Simplify right side
    19,371.76x = 180,728,593.91
  5. Step 5: Solve for x
    x = 180,728,593.91/19,371.76
  6. Step 6: Final answer
    x = 9,329.49

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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.