Home / 15,611.91-23,416.94-4,518.35

Finding the Fourth Proportional to 15,611.91, 23,416.94 and 4,518.35

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Solution

The fourth proportional to 15,611.91, 23,416.94 and 4,518.35 is: 6,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,611.91 : 23,416.94 = 4,518.35 : x
  2. Step 2: Convert to fraction form
    15,611.91/23,416.94 = 4,518.35/x
  3. Step 3: Cross multiply
    15,611.91x = 23,416.94 × 4,518.35
  4. Step 4: Simplify right side
    15,611.91x = 105,805,791.17
  5. Step 5: Solve for x
    x = 105,805,791.17/15,611.91
  6. Step 6: Final answer
    x = 6,777.25

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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.