Home / 15,185.20-22,784.38-8,157.01

Finding the Fourth Proportional to 15,185.20, 22,784.38 and 8,157.01

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Solution

The fourth proportional to 15,185.20, 22,784.38 and 8,157.01 is: 12,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185.20 : 22,784.38 = 8,157.01 : x
  2. Step 2: Convert to fraction form
    15,185.20/22,784.38 = 8,157.01/x
  3. Step 3: Cross multiply
    15,185.20x = 22,784.38 × 8,157.01
  4. Step 4: Simplify right side
    15,185.20x = 185,852,415.50
  5. Step 5: Solve for x
    x = 185,852,415.50/15,185.20
  6. Step 6: Final answer
    x = 12,239.05

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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.