Home / 15,688.98-23,518.62-5,821.56

Finding the Fourth Proportional to 15,688.98, 23,518.62 and 5,821.56

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Solution

The fourth proportional to 15,688.98, 23,518.62 and 5,821.56 is: 8,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,688.98 : 23,518.62 = 5,821.56 : x
  2. Step 2: Convert to fraction form
    15,688.98/23,518.62 = 5,821.56/x
  3. Step 3: Cross multiply
    15,688.98x = 23,518.62 × 5,821.56
  4. Step 4: Simplify right side
    15,688.98x = 136,915,057.45
  5. Step 5: Solve for x
    x = 136,915,057.45/15,688.98
  6. Step 6: Final answer
    x = 8,726.83

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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.