Home / 10,080.54-15,120.81-4,157.34

Finding the Fourth Proportional to 10,080.54, 15,120.81 and 4,157.34

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Solution

The fourth proportional to 10,080.54, 15,120.81 and 4,157.34 is: 6,236.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.54 : 15,120.81 = 4,157.34 : x
  2. Step 2: Convert to fraction form
    10,080.54/15,120.81 = 4,157.34/x
  3. Step 3: Cross multiply
    10,080.54x = 15,120.81 × 4,157.34
  4. Step 4: Simplify right side
    10,080.54x = 62,862,348.25
  5. Step 5: Solve for x
    x = 62,862,348.25/10,080.54
  6. Step 6: Final answer
    x = 6,236.01

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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.