Home / 10,707.21-16,025.89-9,684.18

Finding the Fourth Proportional to 10,707.21, 16,025.89 and 9,684.18

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Solution

The fourth proportional to 10,707.21, 16,025.89 and 9,684.18 is: 14,494.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,707.21 : 16,025.89 = 9,684.18 : x
  2. Step 2: Convert to fraction form
    10,707.21/16,025.89 = 9,684.18/x
  3. Step 3: Cross multiply
    10,707.21x = 16,025.89 × 9,684.18
  4. Step 4: Simplify right side
    10,707.21x = 155,197,628.82
  5. Step 5: Solve for x
    x = 155,197,628.82/10,707.21
  6. Step 6: Final answer
    x = 14,494.68

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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.