Home / 19,129.91-28,697.05-9,262.05

Finding the Fourth Proportional to 19,129.91, 28,697.05 and 9,262.05

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Solution

The fourth proportional to 19,129.91, 28,697.05 and 9,262.05 is: 13,894.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.91 : 28,697.05 = 9,262.05 : x
  2. Step 2: Convert to fraction form
    19,129.91/28,697.05 = 9,262.05/x
  3. Step 3: Cross multiply
    19,129.91x = 28,697.05 × 9,262.05
  4. Step 4: Simplify right side
    19,129.91x = 265,793,415.92
  5. Step 5: Solve for x
    x = 265,793,415.92/19,129.91
  6. Step 6: Final answer
    x = 13,894.13

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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.