Home / 14,878.40-20,534.94-8,908.83

Finding the Fourth Proportional to 14,878.40, 20,534.94 and 8,908.83

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Solution

The fourth proportional to 14,878.40, 20,534.94 and 8,908.83 is: 12,295.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,878.40 : 20,534.94 = 8,908.83 : x
  2. Step 2: Convert to fraction form
    14,878.40/20,534.94 = 8,908.83/x
  3. Step 3: Cross multiply
    14,878.40x = 20,534.94 × 8,908.83
  4. Step 4: Simplify right side
    14,878.40x = 182,942,289.52
  5. Step 5: Solve for x
    x = 182,942,289.52/14,878.40
  6. Step 6: Final answer
    x = 12,295.83

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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.