Home / 18,710.48-28,065.72-5,562.96

Finding the Fourth Proportional to 18,710.48, 28,065.72 and 5,562.96

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Solution

The fourth proportional to 18,710.48, 28,065.72 and 5,562.96 is: 8,344.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710.48 : 28,065.72 = 5,562.96 : x
  2. Step 2: Convert to fraction form
    18,710.48/28,065.72 = 5,562.96/x
  3. Step 3: Cross multiply
    18,710.48x = 28,065.72 × 5,562.96
  4. Step 4: Simplify right side
    18,710.48x = 156,128,477.73
  5. Step 5: Solve for x
    x = 156,128,477.73/18,710.48
  6. Step 6: Final answer
    x = 8,344.44

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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.