Home / 15,765.08-23,649.78-6,999.80

Finding the Fourth Proportional to 15,765.08, 23,649.78 and 6,999.80

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Solution

The fourth proportional to 15,765.08, 23,649.78 and 6,999.80 is: 10,500.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765.08 : 23,649.78 = 6,999.80 : x
  2. Step 2: Convert to fraction form
    15,765.08/23,649.78 = 6,999.80/x
  3. Step 3: Cross multiply
    15,765.08x = 23,649.78 × 6,999.80
  4. Step 4: Simplify right side
    15,765.08x = 165,543,730.04
  5. Step 5: Solve for x
    x = 165,543,730.04/15,765.08
  6. Step 6: Final answer
    x = 10,500.66

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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.