Home / 13,803.72-20,689.14-5,028.45

Finding the Fourth Proportional to 13,803.72, 20,689.14 and 5,028.45

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Solution

The fourth proportional to 13,803.72, 20,689.14 and 5,028.45 is: 7,536.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.72 : 20,689.14 = 5,028.45 : x
  2. Step 2: Convert to fraction form
    13,803.72/20,689.14 = 5,028.45/x
  3. Step 3: Cross multiply
    13,803.72x = 20,689.14 × 5,028.45
  4. Step 4: Simplify right side
    13,803.72x = 104,034,306.03
  5. Step 5: Solve for x
    x = 104,034,306.03/13,803.72
  6. Step 6: Final answer
    x = 7,536.69

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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.