Home / 10,019.03-15,028.89-3,445.16

Finding the Fourth Proportional to 10,019.03, 15,028.89 and 3,445.16

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Solution

The fourth proportional to 10,019.03, 15,028.89 and 3,445.16 is: 5,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019.03 : 15,028.89 = 3,445.16 : x
  2. Step 2: Convert to fraction form
    10,019.03/15,028.89 = 3,445.16/x
  3. Step 3: Cross multiply
    10,019.03x = 15,028.89 × 3,445.16
  4. Step 4: Simplify right side
    10,019.03x = 51,776,930.67
  5. Step 5: Solve for x
    x = 51,776,930.67/10,019.03
  6. Step 6: Final answer
    x = 5,167.86

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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.