Home / 19,364.16-28,972.89-11,470.92

Finding the Fourth Proportional to 19,364.16, 28,972.89 and 11,470.92

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Solution

The fourth proportional to 19,364.16, 28,972.89 and 11,470.92 is: 17,162.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.16 : 28,972.89 = 11,470.92 : x
  2. Step 2: Convert to fraction form
    19,364.16/28,972.89 = 11,470.92/x
  3. Step 3: Cross multiply
    19,364.16x = 28,972.89 × 11,470.92
  4. Step 4: Simplify right side
    19,364.16x = 332,345,594.71
  5. Step 5: Solve for x
    x = 332,345,594.71/19,364.16
  6. Step 6: Final answer
    x = 17,162.92

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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.