Home / 10,054.60-15,081.90-3,480.10

Finding the Fourth Proportional to 10,054.60, 15,081.90 and 3,480.10

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Solution

The fourth proportional to 10,054.60, 15,081.90 and 3,480.10 is: 5,220.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,054.60 : 15,081.90 = 3,480.10 : x
  2. Step 2: Convert to fraction form
    10,054.60/15,081.90 = 3,480.10/x
  3. Step 3: Cross multiply
    10,054.60x = 15,081.90 × 3,480.10
  4. Step 4: Simplify right side
    10,054.60x = 52,486,520.19
  5. Step 5: Solve for x
    x = 52,486,520.19/10,054.60
  6. Step 6: Final answer
    x = 5,220.15

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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.