Home / 19,700.20-29,550.72-8,005.36

Finding the Fourth Proportional to 19,700.20, 29,550.72 and 8,005.36

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Solution

The fourth proportional to 19,700.20, 29,550.72 and 8,005.36 is: 12,008.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,700.20 : 29,550.72 = 8,005.36 : x
  2. Step 2: Convert to fraction form
    19,700.20/29,550.72 = 8,005.36/x
  3. Step 3: Cross multiply
    19,700.20x = 29,550.72 × 8,005.36
  4. Step 4: Simplify right side
    19,700.20x = 236,564,151.86
  5. Step 5: Solve for x
    x = 236,564,151.86/19,700.20
  6. Step 6: Final answer
    x = 12,008.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.