Home / 16,989.68-25,485.19-5,302.90

Finding the Fourth Proportional to 16,989.68, 25,485.19 and 5,302.90

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Solution

The fourth proportional to 16,989.68, 25,485.19 and 5,302.90 is: 7,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.68 : 25,485.19 = 5,302.90 : x
  2. Step 2: Convert to fraction form
    16,989.68/25,485.19 = 5,302.90/x
  3. Step 3: Cross multiply
    16,989.68x = 25,485.19 × 5,302.90
  4. Step 4: Simplify right side
    16,989.68x = 135,145,325.11
  5. Step 5: Solve for x
    x = 135,145,325.11/16,989.68
  6. Step 6: Final answer
    x = 7,954.56

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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.