Home / 15,388.58-23,083.06-5,527.86

Finding the Fourth Proportional to 15,388.58, 23,083.06 and 5,527.86

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Solution

The fourth proportional to 15,388.58, 23,083.06 and 5,527.86 is: 8,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,388.58 : 23,083.06 = 5,527.86 : x
  2. Step 2: Convert to fraction form
    15,388.58/23,083.06 = 5,527.86/x
  3. Step 3: Cross multiply
    15,388.58x = 23,083.06 × 5,527.86
  4. Step 4: Simplify right side
    15,388.58x = 127,599,924.05
  5. Step 5: Solve for x
    x = 127,599,924.05/15,388.58
  6. Step 6: Final answer
    x = 8,291.86

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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.