Home / 9,639.90-14,453.77-5,416.46

Finding the Fourth Proportional to 9,639.90, 14,453.77 and 5,416.46

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Solution

The fourth proportional to 9,639.90, 14,453.77 and 5,416.46 is: 8,121.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.90 : 14,453.77 = 5,416.46 : x
  2. Step 2: Convert to fraction form
    9,639.90/14,453.77 = 5,416.46/x
  3. Step 3: Cross multiply
    9,639.90x = 14,453.77 × 5,416.46
  4. Step 4: Simplify right side
    9,639.90x = 78,288,267.05
  5. Step 5: Solve for x
    x = 78,288,267.05/9,639.90
  6. Step 6: Final answer
    x = 8,121.27

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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.