Home / 14,583.28-20,128.88-8,617.08

Finding the Fourth Proportional to 14,583.28, 20,128.88 and 8,617.08

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Solution

The fourth proportional to 14,583.28, 20,128.88 and 8,617.08 is: 11,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,583.28 : 20,128.88 = 8,617.08 : x
  2. Step 2: Convert to fraction form
    14,583.28/20,128.88 = 8,617.08/x
  3. Step 3: Cross multiply
    14,583.28x = 20,128.88 × 8,617.08
  4. Step 4: Simplify right side
    14,583.28x = 173,452,169.27
  5. Step 5: Solve for x
    x = 173,452,169.27/14,583.28
  6. Step 6: Final answer
    x = 11,893.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.