Home / 17,490.94-26,239.04-5,640.74

Finding the Fourth Proportional to 17,490.94, 26,239.04 and 5,640.74

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Solution

The fourth proportional to 17,490.94, 26,239.04 and 5,640.74 is: 8,461.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,490.94 : 26,239.04 = 5,640.74 : x
  2. Step 2: Convert to fraction form
    17,490.94/26,239.04 = 5,640.74/x
  3. Step 3: Cross multiply
    17,490.94x = 26,239.04 × 5,640.74
  4. Step 4: Simplify right side
    17,490.94x = 148,007,562.64
  5. Step 5: Solve for x
    x = 148,007,562.64/17,490.94
  6. Step 6: Final answer
    x = 8,461.96

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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.