Home / 19,943.72-29,920.76-7,464.70

Finding the Fourth Proportional to 19,943.72, 29,920.76 and 7,464.70

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Solution

The fourth proportional to 19,943.72, 29,920.76 and 7,464.70 is: 11,198.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.72 : 29,920.76 = 7,464.70 : x
  2. Step 2: Convert to fraction form
    19,943.72/29,920.76 = 7,464.70/x
  3. Step 3: Cross multiply
    19,943.72x = 29,920.76 × 7,464.70
  4. Step 4: Simplify right side
    19,943.72x = 223,349,497.17
  5. Step 5: Solve for x
    x = 223,349,497.17/19,943.72
  6. Step 6: Final answer
    x = 11,198.99

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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.