Home / 10,995.35-15,173.93-6,279.53

Finding the Fourth Proportional to 10,995.35, 15,173.93 and 6,279.53

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Solution

The fourth proportional to 10,995.35, 15,173.93 and 6,279.53 is: 8,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.35 : 15,173.93 = 6,279.53 : x
  2. Step 2: Convert to fraction form
    10,995.35/15,173.93 = 6,279.53/x
  3. Step 3: Cross multiply
    10,995.35x = 15,173.93 × 6,279.53
  4. Step 4: Simplify right side
    10,995.35x = 95,285,088.48
  5. Step 5: Solve for x
    x = 95,285,088.48/10,995.35
  6. Step 6: Final answer
    x = 8,665.95

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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.