Home / 12,773.66-19,152.58-5,374.30

Finding the Fourth Proportional to 12,773.66, 19,152.58 and 5,374.30

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Solution

The fourth proportional to 12,773.66, 19,152.58 and 5,374.30 is: 8,058.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773.66 : 19,152.58 = 5,374.30 : x
  2. Step 2: Convert to fraction form
    12,773.66/19,152.58 = 5,374.30/x
  3. Step 3: Cross multiply
    12,773.66x = 19,152.58 × 5,374.30
  4. Step 4: Simplify right side
    12,773.66x = 102,931,710.69
  5. Step 5: Solve for x
    x = 102,931,710.69/12,773.66
  6. Step 6: Final answer
    x = 8,058.12

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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.