Home / 22,154.63-30,573.38-12,218.63

Finding the Fourth Proportional to 22,154.63, 30,573.38 and 12,218.63

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Solution

The fourth proportional to 22,154.63, 30,573.38 and 12,218.63 is: 16,861.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,154.63 : 30,573.38 = 12,218.63 : x
  2. Step 2: Convert to fraction form
    22,154.63/30,573.38 = 12,218.63/x
  3. Step 3: Cross multiply
    22,154.63x = 30,573.38 × 12,218.63
  4. Step 4: Simplify right side
    22,154.63x = 373,564,695.75
  5. Step 5: Solve for x
    x = 373,564,695.75/22,154.63
  6. Step 6: Final answer
    x = 16,861.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.