Home / 13,074.19-18,035.73-8,539.52

Finding the Fourth Proportional to 13,074.19, 18,035.73 and 8,539.52

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Solution

The fourth proportional to 13,074.19, 18,035.73 and 8,539.52 is: 11,780.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.19 : 18,035.73 = 8,539.52 : x
  2. Step 2: Convert to fraction form
    13,074.19/18,035.73 = 8,539.52/x
  3. Step 3: Cross multiply
    13,074.19x = 18,035.73 × 8,539.52
  4. Step 4: Simplify right side
    13,074.19x = 154,016,434.35
  5. Step 5: Solve for x
    x = 154,016,434.35/13,074.19
  6. Step 6: Final answer
    x = 11,780.19

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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.