Home / 10,649.48-15,968.70-6,268.20

Finding the Fourth Proportional to 10,649.48, 15,968.70 and 6,268.20

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Solution

The fourth proportional to 10,649.48, 15,968.70 and 6,268.20 is: 9,399.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649.48 : 15,968.70 = 6,268.20 : x
  2. Step 2: Convert to fraction form
    10,649.48/15,968.70 = 6,268.20/x
  3. Step 3: Cross multiply
    10,649.48x = 15,968.70 × 6,268.20
  4. Step 4: Simplify right side
    10,649.48x = 100,095,005.34
  5. Step 5: Solve for x
    x = 100,095,005.34/10,649.48
  6. Step 6: Final answer
    x = 9,399.05

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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.