Home / 19,962.30-29,950.37-8,876.78

Finding the Fourth Proportional to 19,962.30, 29,950.37 and 8,876.78

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Solution

The fourth proportional to 19,962.30, 29,950.37 and 8,876.78 is: 13,318.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.30 : 29,950.37 = 8,876.78 : x
  2. Step 2: Convert to fraction form
    19,962.30/29,950.37 = 8,876.78/x
  3. Step 3: Cross multiply
    19,962.30x = 29,950.37 × 8,876.78
  4. Step 4: Simplify right side
    19,962.30x = 265,862,845.41
  5. Step 5: Solve for x
    x = 265,862,845.41/19,962.30
  6. Step 6: Final answer
    x = 13,318.25

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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.