Home / 14,498.08-20,005.72-8,123.80

Finding the Fourth Proportional to 14,498.08, 20,005.72 and 8,123.80

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Solution

The fourth proportional to 14,498.08, 20,005.72 and 8,123.80 is: 11,209.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498.08 : 20,005.72 = 8,123.80 : x
  2. Step 2: Convert to fraction form
    14,498.08/20,005.72 = 8,123.80/x
  3. Step 3: Cross multiply
    14,498.08x = 20,005.72 × 8,123.80
  4. Step 4: Simplify right side
    14,498.08x = 162,522,468.14
  5. Step 5: Solve for x
    x = 162,522,468.14/14,498.08
  6. Step 6: Final answer
    x = 11,209.93

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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.