Home / 10,054.85-15,081.60-2,659.15

Finding the Fourth Proportional to 10,054.85, 15,081.60 and 2,659.15

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Solution

The fourth proportional to 10,054.85, 15,081.60 and 2,659.15 is: 3,988.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,054.85 : 15,081.60 = 2,659.15 : x
  2. Step 2: Convert to fraction form
    10,054.85/15,081.60 = 2,659.15/x
  3. Step 3: Cross multiply
    10,054.85x = 15,081.60 × 2,659.15
  4. Step 4: Simplify right side
    10,054.85x = 40,104,161.23
  5. Step 5: Solve for x
    x = 40,104,161.23/10,054.85
  6. Step 6: Final answer
    x = 3,988.54

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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.