Home / 14,614.77-20,184.72-9,890.85

Finding the Fourth Proportional to 14,614.77, 20,184.72 and 9,890.85

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Solution

The fourth proportional to 14,614.77, 20,184.72 and 9,890.85 is: 13,660.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.77 : 20,184.72 = 9,890.85 : x
  2. Step 2: Convert to fraction form
    14,614.77/20,184.72 = 9,890.85/x
  3. Step 3: Cross multiply
    14,614.77x = 20,184.72 × 9,890.85
  4. Step 4: Simplify right side
    14,614.77x = 199,644,037.81
  5. Step 5: Solve for x
    x = 199,644,037.81/14,614.77
  6. Step 6: Final answer
    x = 13,660.43

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1.5x scale

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.