Home / 11,459.60-17,189.40-3,669.20

Finding the Fourth Proportional to 11,459.60, 17,189.40 and 3,669.20

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Solution

The fourth proportional to 11,459.60, 17,189.40 and 3,669.20 is: 5,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459.60 : 17,189.40 = 3,669.20 : x
  2. Step 2: Convert to fraction form
    11,459.60/17,189.40 = 3,669.20/x
  3. Step 3: Cross multiply
    11,459.60x = 17,189.40 × 3,669.20
  4. Step 4: Simplify right side
    11,459.60x = 63,071,346.48
  5. Step 5: Solve for x
    x = 63,071,346.48/11,459.60
  6. Step 6: Final answer
    x = 5,503.80

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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.