Home / 10,669.44-15,998.16-7,341.60

Finding the Fourth Proportional to 10,669.44, 15,998.16 and 7,341.60

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Solution

The fourth proportional to 10,669.44, 15,998.16 and 7,341.60 is: 11,008.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.44 : 15,998.16 = 7,341.60 : x
  2. Step 2: Convert to fraction form
    10,669.44/15,998.16 = 7,341.60/x
  3. Step 3: Cross multiply
    10,669.44x = 15,998.16 × 7,341.60
  4. Step 4: Simplify right side
    10,669.44x = 117,452,091.46
  5. Step 5: Solve for x
    x = 117,452,091.46/10,669.44
  6. Step 6: Final answer
    x = 11,008.27

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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.