Home / 15,789.67-23,664.02-6,418.80

Finding the Fourth Proportional to 15,789.67, 23,664.02 and 6,418.80

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Solution

The fourth proportional to 15,789.67, 23,664.02 and 6,418.80 is: 9,619.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789.67 : 23,664.02 = 6,418.80 : x
  2. Step 2: Convert to fraction form
    15,789.67/23,664.02 = 6,418.80/x
  3. Step 3: Cross multiply
    15,789.67x = 23,664.02 × 6,418.80
  4. Step 4: Simplify right side
    15,789.67x = 151,894,579.48
  5. Step 5: Solve for x
    x = 151,894,579.48/15,789.67
  6. Step 6: Final answer
    x = 9,619.87

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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.