Home / 18,646.60-25,720.58-12,273.52

Finding the Fourth Proportional to 18,646.60, 25,720.58 and 12,273.52

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Solution

The fourth proportional to 18,646.60, 25,720.58 and 12,273.52 is: 16,929.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646.60 : 25,720.58 = 12,273.52 : x
  2. Step 2: Convert to fraction form
    18,646.60/25,720.58 = 12,273.52/x
  3. Step 3: Cross multiply
    18,646.60x = 25,720.58 × 12,273.52
  4. Step 4: Simplify right side
    18,646.60x = 315,682,053.04
  5. Step 5: Solve for x
    x = 315,682,053.04/18,646.60
  6. Step 6: Final answer
    x = 16,929.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.