Home / 16,989.34-25,485.15-4,509.18

Finding the Fourth Proportional to 16,989.34, 25,485.15 and 4,509.18

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Solution

The fourth proportional to 16,989.34, 25,485.15 and 4,509.18 is: 6,764.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.34 : 25,485.15 = 4,509.18 : x
  2. Step 2: Convert to fraction form
    16,989.34/25,485.15 = 4,509.18/x
  3. Step 3: Cross multiply
    16,989.34x = 25,485.15 × 4,509.18
  4. Step 4: Simplify right side
    16,989.34x = 114,917,128.68
  5. Step 5: Solve for x
    x = 114,917,128.68/16,989.34
  6. Step 6: Final answer
    x = 6,764.07

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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.