Home / 15,582.74-23,380.96-8,185.48

Finding the Fourth Proportional to 15,582.74, 23,380.96 and 8,185.48

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Solution

The fourth proportional to 15,582.74, 23,380.96 and 8,185.48 is: 12,281.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582.74 : 23,380.96 = 8,185.48 : x
  2. Step 2: Convert to fraction form
    15,582.74/23,380.96 = 8,185.48/x
  3. Step 3: Cross multiply
    15,582.74x = 23,380.96 × 8,185.48
  4. Step 4: Simplify right side
    15,582.74x = 191,384,380.46
  5. Step 5: Solve for x
    x = 191,384,380.46/15,582.74
  6. Step 6: Final answer
    x = 12,281.82

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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.