Home / 15,742.73-23,555.77-11,585.81

Finding the Fourth Proportional to 15,742.73, 23,555.77 and 11,585.81

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Solution

The fourth proportional to 15,742.73, 23,555.77 and 11,585.81 is: 17,335.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,742.73 : 23,555.77 = 11,585.81 : x
  2. Step 2: Convert to fraction form
    15,742.73/23,555.77 = 11,585.81/x
  3. Step 3: Cross multiply
    15,742.73x = 23,555.77 × 11,585.81
  4. Step 4: Simplify right side
    15,742.73x = 272,912,675.62
  5. Step 5: Solve for x
    x = 272,912,675.62/15,742.73
  6. Step 6: Final answer
    x = 17,335.79

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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.