Home / 10,842.08-16,242.32-6,446.24

Finding the Fourth Proportional to 10,842.08, 16,242.32 and 6,446.24

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Solution

The fourth proportional to 10,842.08, 16,242.32 and 6,446.24 is: 9,656.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,842.08 : 16,242.32 = 6,446.24 : x
  2. Step 2: Convert to fraction form
    10,842.08/16,242.32 = 6,446.24/x
  3. Step 3: Cross multiply
    10,842.08x = 16,242.32 × 6,446.24
  4. Step 4: Simplify right side
    10,842.08x = 104,701,892.88
  5. Step 5: Solve for x
    x = 104,701,892.88/10,842.08
  6. Step 6: Final answer
    x = 9,656.99

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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.