Home / 19,772.68-29,642.22-8,670.94

Finding the Fourth Proportional to 19,772.68, 29,642.22 and 8,670.94

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Solution

The fourth proportional to 19,772.68, 29,642.22 and 8,670.94 is: 12,999.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.68 : 29,642.22 = 8,670.94 : x
  2. Step 2: Convert to fraction form
    19,772.68/29,642.22 = 8,670.94/x
  3. Step 3: Cross multiply
    19,772.68x = 29,642.22 × 8,670.94
  4. Step 4: Simplify right side
    19,772.68x = 257,025,911.09
  5. Step 5: Solve for x
    x = 257,025,911.09/19,772.68
  6. Step 6: Final answer
    x = 12,999.04

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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.