Home / 15,187.62-22,784.76-4,659.09

Finding the Fourth Proportional to 15,187.62, 22,784.76 and 4,659.09

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Solution

The fourth proportional to 15,187.62, 22,784.76 and 4,659.09 is: 6,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,187.62 : 22,784.76 = 4,659.09 : x
  2. Step 2: Convert to fraction form
    15,187.62/22,784.76 = 4,659.09/x
  3. Step 3: Cross multiply
    15,187.62x = 22,784.76 × 4,659.09
  4. Step 4: Simplify right side
    15,187.62x = 106,156,247.47
  5. Step 5: Solve for x
    x = 106,156,247.47/15,187.62
  6. Step 6: Final answer
    x = 6,989.66

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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.