Home / 16,989.72-25,483.68-5,301.60

Finding the Fourth Proportional to 16,989.72, 25,483.68 and 5,301.60

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Solution

The fourth proportional to 16,989.72, 25,483.68 and 5,301.60 is: 7,952.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.72 : 25,483.68 = 5,301.60 : x
  2. Step 2: Convert to fraction form
    16,989.72/25,483.68 = 5,301.60/x
  3. Step 3: Cross multiply
    16,989.72x = 25,483.68 × 5,301.60
  4. Step 4: Simplify right side
    16,989.72x = 135,104,277.89
  5. Step 5: Solve for x
    x = 135,104,277.89/16,989.72
  6. Step 6: Final answer
    x = 7,952.12

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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.