Home / 19,623.30-29,439.72-6,475.02

Finding the Fourth Proportional to 19,623.30, 29,439.72 and 6,475.02

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Solution

The fourth proportional to 19,623.30, 29,439.72 and 6,475.02 is: 9,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.30 : 29,439.72 = 6,475.02 : x
  2. Step 2: Convert to fraction form
    19,623.30/29,439.72 = 6,475.02/x
  3. Step 3: Cross multiply
    19,623.30x = 29,439.72 × 6,475.02
  4. Step 4: Simplify right side
    19,623.30x = 190,622,775.79
  5. Step 5: Solve for x
    x = 190,622,775.79/19,623.30
  6. Step 6: Final answer
    x = 9,714.10

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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.