Home / 14,575.98-20,109.15-8,977.26

Finding the Fourth Proportional to 14,575.98, 20,109.15 and 8,977.26

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Solution

The fourth proportional to 14,575.98, 20,109.15 and 8,977.26 is: 12,385.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575.98 : 20,109.15 = 8,977.26 : x
  2. Step 2: Convert to fraction form
    14,575.98/20,109.15 = 8,977.26/x
  3. Step 3: Cross multiply
    14,575.98x = 20,109.15 × 8,977.26
  4. Step 4: Simplify right side
    14,575.98x = 180,525,067.93
  5. Step 5: Solve for x
    x = 180,525,067.93/14,575.98
  6. Step 6: Final answer
    x = 12,385.11

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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.