Home / 10,393.24-15,590.32-3,815.84

Finding the Fourth Proportional to 10,393.24, 15,590.32 and 3,815.84

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Solution

The fourth proportional to 10,393.24, 15,590.32 and 3,815.84 is: 5,723.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.24 : 15,590.32 = 3,815.84 : x
  2. Step 2: Convert to fraction form
    10,393.24/15,590.32 = 3,815.84/x
  3. Step 3: Cross multiply
    10,393.24x = 15,590.32 × 3,815.84
  4. Step 4: Simplify right side
    10,393.24x = 59,490,166.67
  5. Step 5: Solve for x
    x = 59,490,166.67/10,393.24
  6. Step 6: Final answer
    x = 5,723.93

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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.