Home / 18,336.29-27,501.18-5,185.58

Finding the Fourth Proportional to 18,336.29, 27,501.18 and 5,185.58

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Solution

The fourth proportional to 18,336.29, 27,501.18 and 5,185.58 is: 7,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.29 : 27,501.18 = 5,185.58 : x
  2. Step 2: Convert to fraction form
    18,336.29/27,501.18 = 5,185.58/x
  3. Step 3: Cross multiply
    18,336.29x = 27,501.18 × 5,185.58
  4. Step 4: Simplify right side
    18,336.29x = 142,609,641.86
  5. Step 5: Solve for x
    x = 142,609,641.86/18,336.29
  6. Step 6: Final answer
    x = 7,777.45

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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.