Home / 14,776.05-20,392.17-8,404.65

Finding the Fourth Proportional to 14,776.05, 20,392.17 and 8,404.65

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Solution

The fourth proportional to 14,776.05, 20,392.17 and 8,404.65 is: 11,599.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,776.05 : 20,392.17 = 8,404.65 : x
  2. Step 2: Convert to fraction form
    14,776.05/20,392.17 = 8,404.65/x
  3. Step 3: Cross multiply
    14,776.05x = 20,392.17 × 8,404.65
  4. Step 4: Simplify right side
    14,776.05x = 171,389,051.59
  5. Step 5: Solve for x
    x = 171,389,051.59/14,776.05
  6. Step 6: Final answer
    x = 11,599.11

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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.