Home / 10,100.24-15,152.66-3,080.88

Finding the Fourth Proportional to 10,100.24, 15,152.66 and 3,080.88

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Solution

The fourth proportional to 10,100.24, 15,152.66 and 3,080.88 is: 4,622.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.24 : 15,152.66 = 3,080.88 : x
  2. Step 2: Convert to fraction form
    10,100.24/15,152.66 = 3,080.88/x
  3. Step 3: Cross multiply
    10,100.24x = 15,152.66 × 3,080.88
  4. Step 4: Simplify right side
    10,100.24x = 46,683,580.11
  5. Step 5: Solve for x
    x = 46,683,580.11/10,100.24
  6. Step 6: Final answer
    x = 4,622.03

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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.