Home / 19,670.31-29,506.50-8,577.77

Finding the Fourth Proportional to 19,670.31, 29,506.50 and 8,577.77

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Solution

The fourth proportional to 19,670.31, 29,506.50 and 8,577.77 is: 12,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.31 : 29,506.50 = 8,577.77 : x
  2. Step 2: Convert to fraction form
    19,670.31/29,506.50 = 8,577.77/x
  3. Step 3: Cross multiply
    19,670.31x = 29,506.50 × 8,577.77
  4. Step 4: Simplify right side
    19,670.31x = 253,099,822.97
  5. Step 5: Solve for x
    x = 253,099,822.97/19,670.31
  6. Step 6: Final answer
    x = 12,867.10

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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.