Home / 17,783.13-26,687.85-8,423.17

Finding the Fourth Proportional to 17,783.13, 26,687.85 and 8,423.17

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Solution

The fourth proportional to 17,783.13, 26,687.85 and 8,423.17 is: 12,640.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,783.13 : 26,687.85 = 8,423.17 : x
  2. Step 2: Convert to fraction form
    17,783.13/26,687.85 = 8,423.17/x
  3. Step 3: Cross multiply
    17,783.13x = 26,687.85 × 8,423.17
  4. Step 4: Simplify right side
    17,783.13x = 224,796,199.68
  5. Step 5: Solve for x
    x = 224,796,199.68/17,783.13
  6. Step 6: Final answer
    x = 12,640.98

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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.