Home / 19,580.82-27,013.23-12,505.74

Finding the Fourth Proportional to 19,580.82, 27,013.23 and 12,505.74

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Solution

The fourth proportional to 19,580.82, 27,013.23 and 12,505.74 is: 17,252.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.82 : 27,013.23 = 12,505.74 : x
  2. Step 2: Convert to fraction form
    19,580.82/27,013.23 = 12,505.74/x
  3. Step 3: Cross multiply
    19,580.82x = 27,013.23 × 12,505.74
  4. Step 4: Simplify right side
    19,580.82x = 337,820,430.94
  5. Step 5: Solve for x
    x = 337,820,430.94/19,580.82
  6. Step 6: Final answer
    x = 17,252.62

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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.