Home / 14,499.08-20,007.10-8,124.80

Finding the Fourth Proportional to 14,499.08, 20,007.10 and 8,124.80

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Solution

The fourth proportional to 14,499.08, 20,007.10 and 8,124.80 is: 11,211.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,499.08 : 20,007.10 = 8,124.80 : x
  2. Step 2: Convert to fraction form
    14,499.08/20,007.10 = 8,124.80/x
  3. Step 3: Cross multiply
    14,499.08x = 20,007.10 × 8,124.80
  4. Step 4: Simplify right side
    14,499.08x = 162,553,686.08
  5. Step 5: Solve for x
    x = 162,553,686.08/14,499.08
  6. Step 6: Final answer
    x = 11,211.31

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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.