Home / 19,098.85-28,641.42-6,615.52

Finding the Fourth Proportional to 19,098.85, 28,641.42 and 6,615.52

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Solution

The fourth proportional to 19,098.85, 28,641.42 and 6,615.52 is: 9,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,098.85 : 28,641.42 = 6,615.52 : x
  2. Step 2: Convert to fraction form
    19,098.85/28,641.42 = 6,615.52/x
  3. Step 3: Cross multiply
    19,098.85x = 28,641.42 × 6,615.52
  4. Step 4: Simplify right side
    19,098.85x = 189,477,886.84
  5. Step 5: Solve for x
    x = 189,477,886.84/19,098.85
  6. Step 6: Final answer
    x = 9,920.91

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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.