Home / 15,890.56-23,838.36-5,503.12

Finding the Fourth Proportional to 15,890.56, 23,838.36 and 5,503.12

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Solution

The fourth proportional to 15,890.56, 23,838.36 and 5,503.12 is: 8,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,890.56 : 23,838.36 = 5,503.12 : x
  2. Step 2: Convert to fraction form
    15,890.56/23,838.36 = 5,503.12/x
  3. Step 3: Cross multiply
    15,890.56x = 23,838.36 × 5,503.12
  4. Step 4: Simplify right side
    15,890.56x = 131,185,355.68
  5. Step 5: Solve for x
    x = 131,185,355.68/15,890.56
  6. Step 6: Final answer
    x = 8,255.55

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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.