Home / 19,515.18-29,272.83-4,724.07

Finding the Fourth Proportional to 19,515.18, 29,272.83 and 4,724.07

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Solution

The fourth proportional to 19,515.18, 29,272.83 and 4,724.07 is: 7,086.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.18 : 29,272.83 = 4,724.07 : x
  2. Step 2: Convert to fraction form
    19,515.18/29,272.83 = 4,724.07/x
  3. Step 3: Cross multiply
    19,515.18x = 29,272.83 × 4,724.07
  4. Step 4: Simplify right side
    19,515.18x = 138,286,898.02
  5. Step 5: Solve for x
    x = 138,286,898.02/19,515.18
  6. Step 6: Final answer
    x = 7,086.12

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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.