Home / 19,013.91-28,518.68-4,975.29

Finding the Fourth Proportional to 19,013.91, 28,518.68 and 4,975.29

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Solution

The fourth proportional to 19,013.91, 28,518.68 and 4,975.29 is: 7,462.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.91 : 28,518.68 = 4,975.29 : x
  2. Step 2: Convert to fraction form
    19,013.91/28,518.68 = 4,975.29/x
  3. Step 3: Cross multiply
    19,013.91x = 28,518.68 × 4,975.29
  4. Step 4: Simplify right side
    19,013.91x = 141,888,703.42
  5. Step 5: Solve for x
    x = 141,888,703.42/19,013.91
  6. Step 6: Final answer
    x = 7,462.36

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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.