Home / 15,740.90-23,605.68-5,208.98

Finding the Fourth Proportional to 15,740.90, 23,605.68 and 5,208.98

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Solution

The fourth proportional to 15,740.90, 23,605.68 and 5,208.98 is: 7,811.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740.90 : 23,605.68 = 5,208.98 : x
  2. Step 2: Convert to fraction form
    15,740.90/23,605.68 = 5,208.98/x
  3. Step 3: Cross multiply
    15,740.90x = 23,605.68 × 5,208.98
  4. Step 4: Simplify right side
    15,740.90x = 122,961,377.44
  5. Step 5: Solve for x
    x = 122,961,377.44/15,740.90
  6. Step 6: Final answer
    x = 7,811.59

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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.