Home / 15,217.17-22,803.83-8,629.44

Finding the Fourth Proportional to 15,217.17, 22,803.83 and 8,629.44

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Solution

The fourth proportional to 15,217.17, 22,803.83 and 8,629.44 is: 12,931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.17 : 22,803.83 = 8,629.44 : x
  2. Step 2: Convert to fraction form
    15,217.17/22,803.83 = 8,629.44/x
  3. Step 3: Cross multiply
    15,217.17x = 22,803.83 × 8,629.44
  4. Step 4: Simplify right side
    15,217.17x = 196,784,186.45
  5. Step 5: Solve for x
    x = 196,784,186.45/15,217.17
  6. Step 6: Final answer
    x = 12,931.72

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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.