Home / 14,078.28-21,122.52-6,588.42

Finding the Fourth Proportional to 14,078.28, 21,122.52 and 6,588.42

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Solution

The fourth proportional to 14,078.28, 21,122.52 and 6,588.42 is: 9,885.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078.28 : 21,122.52 = 6,588.42 : x
  2. Step 2: Convert to fraction form
    14,078.28/21,122.52 = 6,588.42/x
  3. Step 3: Cross multiply
    14,078.28x = 21,122.52 × 6,588.42
  4. Step 4: Simplify right side
    14,078.28x = 139,164,033.22
  5. Step 5: Solve for x
    x = 139,164,033.22/14,078.28
  6. Step 6: Final answer
    x = 9,885.02

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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.