Home / 19,572.50-27,010.05-11,189.18

Finding the Fourth Proportional to 19,572.50, 27,010.05 and 11,189.18

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Solution

The fourth proportional to 19,572.50, 27,010.05 and 11,189.18 is: 15,441.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.50 : 27,010.05 = 11,189.18 : x
  2. Step 2: Convert to fraction form
    19,572.50/27,010.05 = 11,189.18/x
  3. Step 3: Cross multiply
    19,572.50x = 27,010.05 × 11,189.18
  4. Step 4: Simplify right side
    19,572.50x = 302,220,311.26
  5. Step 5: Solve for x
    x = 302,220,311.26/19,572.50
  6. Step 6: Final answer
    x = 15,441.07

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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.