Home / 19,013.53-28,518.11-4,974.91

Finding the Fourth Proportional to 19,013.53, 28,518.11 and 4,974.91

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Solution

The fourth proportional to 19,013.53, 28,518.11 and 4,974.91 is: 7,461.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.53 : 28,518.11 = 4,974.91 : x
  2. Step 2: Convert to fraction form
    19,013.53/28,518.11 = 4,974.91/x
  3. Step 3: Cross multiply
    19,013.53x = 28,518.11 × 4,974.91
  4. Step 4: Simplify right side
    19,013.53x = 141,875,005.75
  5. Step 5: Solve for x
    x = 141,875,005.75/19,013.53
  6. Step 6: Final answer
    x = 7,461.79

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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.