Home / 14,470.81-21,712.97-5,117.91

Finding the Fourth Proportional to 14,470.81, 21,712.97 and 5,117.91

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Solution

The fourth proportional to 14,470.81, 21,712.97 and 5,117.91 is: 7,679.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.81 : 21,712.97 = 5,117.91 : x
  2. Step 2: Convert to fraction form
    14,470.81/21,712.97 = 5,117.91/x
  3. Step 3: Cross multiply
    14,470.81x = 21,712.97 × 5,117.91
  4. Step 4: Simplify right side
    14,470.81x = 111,125,026.29
  5. Step 5: Solve for x
    x = 111,125,026.29/14,470.81
  6. Step 6: Final answer
    x = 7,679.25

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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.