Home / 10,039.20-15,054.48-3,114.24

Finding the Fourth Proportional to 10,039.20, 15,054.48 and 3,114.24

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Solution

The fourth proportional to 10,039.20, 15,054.48 and 3,114.24 is: 4,670.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.20 : 15,054.48 = 3,114.24 : x
  2. Step 2: Convert to fraction form
    10,039.20/15,054.48 = 3,114.24/x
  3. Step 3: Cross multiply
    10,039.20x = 15,054.48 × 3,114.24
  4. Step 4: Simplify right side
    10,039.20x = 46,883,263.80
  5. Step 5: Solve for x
    x = 46,883,263.80/10,039.20
  6. Step 6: Final answer
    x = 4,670.02

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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.