Home / 19,767.12-29,650.71-4,975.93

Finding the Fourth Proportional to 19,767.12, 29,650.71 and 4,975.93

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Solution

The fourth proportional to 19,767.12, 29,650.71 and 4,975.93 is: 7,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.12 : 29,650.71 = 4,975.93 : x
  2. Step 2: Convert to fraction form
    19,767.12/29,650.71 = 4,975.93/x
  3. Step 3: Cross multiply
    19,767.12x = 29,650.71 × 4,975.93
  4. Step 4: Simplify right side
    19,767.12x = 147,539,885.14
  5. Step 5: Solve for x
    x = 147,539,885.14/19,767.12
  6. Step 6: Final answer
    x = 7,463.90

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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.