Home / 19,373.44-29,034.63-7,680.28

Finding the Fourth Proportional to 19,373.44, 29,034.63 and 7,680.28

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Solution

The fourth proportional to 19,373.44, 29,034.63 and 7,680.28 is: 11,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,373.44 : 29,034.63 = 7,680.28 : x
  2. Step 2: Convert to fraction form
    19,373.44/29,034.63 = 7,680.28/x
  3. Step 3: Cross multiply
    19,373.44x = 29,034.63 × 7,680.28
  4. Step 4: Simplify right side
    19,373.44x = 222,994,088.10
  5. Step 5: Solve for x
    x = 222,994,088.10/19,373.44
  6. Step 6: Final answer
    x = 11,510.30

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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.