Home / 15,420.52-23,069.94-11,883.76

Finding the Fourth Proportional to 15,420.52, 23,069.94 and 11,883.76

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Solution

The fourth proportional to 15,420.52, 23,069.94 and 11,883.76 is: 17,778.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,420.52 : 23,069.94 = 11,883.76 : x
  2. Step 2: Convert to fraction form
    15,420.52/23,069.94 = 11,883.76/x
  3. Step 3: Cross multiply
    15,420.52x = 23,069.94 × 11,883.76
  4. Step 4: Simplify right side
    15,420.52x = 274,157,630.17
  5. Step 5: Solve for x
    x = 274,157,630.17/15,420.52
  6. Step 6: Final answer
    x = 17,778.75

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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.