Home / 14,170.48-21,252.54-8,603.86

Finding the Fourth Proportional to 14,170.48, 21,252.54 and 8,603.86

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Solution

The fourth proportional to 14,170.48, 21,252.54 and 8,603.86 is: 12,903.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.48 : 21,252.54 = 8,603.86 : x
  2. Step 2: Convert to fraction form
    14,170.48/21,252.54 = 8,603.86/x
  3. Step 3: Cross multiply
    14,170.48x = 21,252.54 × 8,603.86
  4. Step 4: Simplify right side
    14,170.48x = 182,853,878.80
  5. Step 5: Solve for x
    x = 182,853,878.80/14,170.48
  6. Step 6: Final answer
    x = 12,903.86

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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.