Home / 10,219.16-15,339.54-5,028.68

Finding the Fourth Proportional to 10,219.16, 15,339.54 and 5,028.68

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Solution

The fourth proportional to 10,219.16, 15,339.54 and 5,028.68 is: 7,548.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.16 : 15,339.54 = 5,028.68 : x
  2. Step 2: Convert to fraction form
    10,219.16/15,339.54 = 5,028.68/x
  3. Step 3: Cross multiply
    10,219.16x = 15,339.54 × 5,028.68
  4. Step 4: Simplify right side
    10,219.16x = 77,137,638.01
  5. Step 5: Solve for x
    x = 77,137,638.01/10,219.16
  6. Step 6: Final answer
    x = 7,548.33

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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.