Home / 19,788.55-27,306.19-11,292.50

Finding the Fourth Proportional to 19,788.55, 27,306.19 and 11,292.50

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Solution

The fourth proportional to 19,788.55, 27,306.19 and 11,292.50 is: 15,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.55 : 27,306.19 = 11,292.50 : x
  2. Step 2: Convert to fraction form
    19,788.55/27,306.19 = 11,292.50/x
  3. Step 3: Cross multiply
    19,788.55x = 27,306.19 × 11,292.50
  4. Step 4: Simplify right side
    19,788.55x = 308,355,190.61
  5. Step 5: Solve for x
    x = 308,355,190.61/19,788.55
  6. Step 6: Final answer
    x = 15,582.51

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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.