Home / 15,582.47-23,380.55-8,185.25

Finding the Fourth Proportional to 15,582.47, 23,380.55 and 8,185.25

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Solution

The fourth proportional to 15,582.47, 23,380.55 and 8,185.25 is: 12,281.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582.47 : 23,380.55 = 8,185.25 : x
  2. Step 2: Convert to fraction form
    15,582.47/23,380.55 = 8,185.25/x
  3. Step 3: Cross multiply
    15,582.47x = 23,380.55 × 8,185.25
  4. Step 4: Simplify right side
    15,582.47x = 191,375,489.06
  5. Step 5: Solve for x
    x = 191,375,489.06/15,582.47
  6. Step 6: Final answer
    x = 12,281.46

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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.