Home / 10,247.05-15,370.58-2,851.51

Finding the Fourth Proportional to 10,247.05, 15,370.58 and 2,851.51

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Solution

The fourth proportional to 10,247.05, 15,370.58 and 2,851.51 is: 4,277.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.05 : 15,370.58 = 2,851.51 : x
  2. Step 2: Convert to fraction form
    10,247.05/15,370.58 = 2,851.51/x
  3. Step 3: Cross multiply
    10,247.05x = 15,370.58 × 2,851.51
  4. Step 4: Simplify right side
    10,247.05x = 43,829,362.58
  5. Step 5: Solve for x
    x = 43,829,362.58/10,247.05
  6. Step 6: Final answer
    x = 4,277.27

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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.