Home / 10,178.08-15,267.33-6,690.33

Finding the Fourth Proportional to 10,178.08, 15,267.33 and 6,690.33

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Solution

The fourth proportional to 10,178.08, 15,267.33 and 6,690.33 is: 10,035.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.08 : 15,267.33 = 6,690.33 : x
  2. Step 2: Convert to fraction form
    10,178.08/15,267.33 = 6,690.33/x
  3. Step 3: Cross multiply
    10,178.08x = 15,267.33 × 6,690.33
  4. Step 4: Simplify right side
    10,178.08x = 102,143,475.92
  5. Step 5: Solve for x
    x = 102,143,475.92/10,178.08
  6. Step 6: Final answer
    x = 10,035.63

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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.