Home / 10,992.04-15,169.29-6,276.76

Finding the Fourth Proportional to 10,992.04, 15,169.29 and 6,276.76

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Solution

The fourth proportional to 10,992.04, 15,169.29 and 6,276.76 is: 8,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.04 : 15,169.29 = 6,276.76 : x
  2. Step 2: Convert to fraction form
    10,992.04/15,169.29 = 6,276.76/x
  3. Step 3: Cross multiply
    10,992.04x = 15,169.29 × 6,276.76
  4. Step 4: Simplify right side
    10,992.04x = 95,213,916.85
  5. Step 5: Solve for x
    x = 95,213,916.85/10,992.04
  6. Step 6: Final answer
    x = 8,662.08

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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.