Home / 18,275.96-27,420.60-7,748.84

Finding the Fourth Proportional to 18,275.96, 27,420.60 and 7,748.84

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Solution

The fourth proportional to 18,275.96, 27,420.60 and 7,748.84 is: 11,626.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.96 : 27,420.60 = 7,748.84 : x
  2. Step 2: Convert to fraction form
    18,275.96/27,420.60 = 7,748.84/x
  3. Step 3: Cross multiply
    18,275.96x = 27,420.60 × 7,748.84
  4. Step 4: Simplify right side
    18,275.96x = 212,477,842.10
  5. Step 5: Solve for x
    x = 212,477,842.10/18,275.96
  6. Step 6: Final answer
    x = 11,626.08

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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.