Home / 14,692.29-20,275.30-7,977.87

Finding the Fourth Proportional to 14,692.29, 20,275.30 and 7,977.87

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Solution

The fourth proportional to 14,692.29, 20,275.30 and 7,977.87 is: 11,009.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,692.29 : 20,275.30 = 7,977.87 : x
  2. Step 2: Convert to fraction form
    14,692.29/20,275.30 = 7,977.87/x
  3. Step 3: Cross multiply
    14,692.29x = 20,275.30 × 7,977.87
  4. Step 4: Simplify right side
    14,692.29x = 161,753,707.61
  5. Step 5: Solve for x
    x = 161,753,707.61/14,692.29
  6. Step 6: Final answer
    x = 11,009.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.