Home / 10,054.80-15,081.66-2,659.50

Finding the Fourth Proportional to 10,054.80, 15,081.66 and 2,659.50

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Solution

The fourth proportional to 10,054.80, 15,081.66 and 2,659.50 is: 3,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,054.80 : 15,081.66 = 2,659.50 : x
  2. Step 2: Convert to fraction form
    10,054.80/15,081.66 = 2,659.50/x
  3. Step 3: Cross multiply
    10,054.80x = 15,081.66 × 2,659.50
  4. Step 4: Simplify right side
    10,054.80x = 40,109,674.77
  5. Step 5: Solve for x
    x = 40,109,674.77/10,054.80
  6. Step 6: Final answer
    x = 3,989.11

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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.