Home / 14,359.78-21,539.52-5,600.85

Finding the Fourth Proportional to 14,359.78, 21,539.52 and 5,600.85

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Solution

The fourth proportional to 14,359.78, 21,539.52 and 5,600.85 is: 8,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.78 : 21,539.52 = 5,600.85 : x
  2. Step 2: Convert to fraction form
    14,359.78/21,539.52 = 5,600.85/x
  3. Step 3: Cross multiply
    14,359.78x = 21,539.52 × 5,600.85
  4. Step 4: Simplify right side
    14,359.78x = 120,639,539.82
  5. Step 5: Solve for x
    x = 120,639,539.82/14,359.78
  6. Step 6: Final answer
    x = 8,401.21

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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.