Home / 21,899.08-32,848.61-7,108

Finding the Fourth Proportional to 21,899.08, 32,848.61 and 7,108

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Solution

The fourth proportional to 21,899.08, 32,848.61 and 7,108 is: 10,662.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,899.08 : 32,848.61 = 7,108 : x
  2. Step 2: Convert to fraction form
    21,899.08/32,848.61 = 7,108/x
  3. Step 3: Cross multiply
    21,899.08x = 32,848.61 × 7,108
  4. Step 4: Simplify right side
    21,899.08x = 233,487,919.88
  5. Step 5: Solve for x
    x = 233,487,919.88/21,899.08
  6. Step 6: Final answer
    x = 10,662.00

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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.