Home / 19,976.40-29,963.28-6,125.28

Finding the Fourth Proportional to 19,976.40, 29,963.28 and 6,125.28

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Solution

The fourth proportional to 19,976.40, 29,963.28 and 6,125.28 is: 9,187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.40 : 29,963.28 = 6,125.28 : x
  2. Step 2: Convert to fraction form
    19,976.40/29,963.28 = 6,125.28/x
  3. Step 3: Cross multiply
    19,976.40x = 29,963.28 × 6,125.28
  4. Step 4: Simplify right side
    19,976.40x = 183,533,479.72
  5. Step 5: Solve for x
    x = 183,533,479.72/19,976.40
  6. Step 6: Final answer
    x = 9,187.52

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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.