Home / 12,965.76-19,437.12-4,752

Finding the Fourth Proportional to 12,965.76, 19,437.12 and 4,752

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Solution

The fourth proportional to 12,965.76, 19,437.12 and 4,752 is: 7,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,965.76 : 19,437.12 = 4,752 : x
  2. Step 2: Convert to fraction form
    12,965.76/19,437.12 = 4,752/x
  3. Step 3: Cross multiply
    12,965.76x = 19,437.12 × 4,752
  4. Step 4: Simplify right side
    12,965.76x = 92,365,194.24
  5. Step 5: Solve for x
    x = 92,365,194.24/12,965.76
  6. Step 6: Final answer
    x = 7,123.78

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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.