Home / 19,715.86-29,573.62-4,924.68

Finding the Fourth Proportional to 19,715.86, 29,573.62 and 4,924.68

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Solution

The fourth proportional to 19,715.86, 29,573.62 and 4,924.68 is: 7,386.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.86 : 29,573.62 = 4,924.68 : x
  2. Step 2: Convert to fraction form
    19,715.86/29,573.62 = 4,924.68/x
  3. Step 3: Cross multiply
    19,715.86x = 29,573.62 × 4,924.68
  4. Step 4: Simplify right side
    19,715.86x = 145,640,614.94
  5. Step 5: Solve for x
    x = 145,640,614.94/19,715.86
  6. Step 6: Final answer
    x = 7,386.98

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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.