Home / 14,677.80-21,977.82-7,737.72

Finding the Fourth Proportional to 14,677.80, 21,977.82 and 7,737.72

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Solution

The fourth proportional to 14,677.80, 21,977.82 and 7,737.72 is: 11,586.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,677.80 : 21,977.82 = 7,737.72 : x
  2. Step 2: Convert to fraction form
    14,677.80/21,977.82 = 7,737.72/x
  3. Step 3: Cross multiply
    14,677.80x = 21,977.82 × 7,737.72
  4. Step 4: Simplify right side
    14,677.80x = 170,058,217.37
  5. Step 5: Solve for x
    x = 170,058,217.37/14,677.80
  6. Step 6: Final answer
    x = 11,586.08

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1.5x scale

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.