Home / 19,742.86-29,622.39-8,057.26

Finding the Fourth Proportional to 19,742.86, 29,622.39 and 8,057.26

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Solution

The fourth proportional to 19,742.86, 29,622.39 and 8,057.26 is: 12,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742.86 : 29,622.39 = 8,057.26 : x
  2. Step 2: Convert to fraction form
    19,742.86/29,622.39 = 8,057.26/x
  3. Step 3: Cross multiply
    19,742.86x = 29,622.39 × 8,057.26
  4. Step 4: Simplify right side
    19,742.86x = 238,675,298.05
  5. Step 5: Solve for x
    x = 238,675,298.05/19,742.86
  6. Step 6: Final answer
    x = 12,089.20

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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.