Home / 10,406.08-14,366.96-8,021.04

Finding the Fourth Proportional to 10,406.08, 14,366.96 and 8,021.04

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Solution

The fourth proportional to 10,406.08, 14,366.96 and 8,021.04 is: 11,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406.08 : 14,366.96 = 8,021.04 : x
  2. Step 2: Convert to fraction form
    10,406.08/14,366.96 = 8,021.04/x
  3. Step 3: Cross multiply
    10,406.08x = 14,366.96 × 8,021.04
  4. Step 4: Simplify right side
    10,406.08x = 115,237,960.84
  5. Step 5: Solve for x
    x = 115,237,960.84/10,406.08
  6. Step 6: Final answer
    x = 11,074.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.