Home / 19,572.38-27,011.70-11,187.26

Finding the Fourth Proportional to 19,572.38, 27,011.70 and 11,187.26

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Solution

The fourth proportional to 19,572.38, 27,011.70 and 11,187.26 is: 15,439.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.38 : 27,011.70 = 11,187.26 : x
  2. Step 2: Convert to fraction form
    19,572.38/27,011.70 = 11,187.26/x
  3. Step 3: Cross multiply
    19,572.38x = 27,011.70 × 11,187.26
  4. Step 4: Simplify right side
    19,572.38x = 302,186,910.94
  5. Step 5: Solve for x
    x = 302,186,910.94/19,572.38
  6. Step 6: Final answer
    x = 15,439.46

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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.