Home / 14,107.48-21,138.14-8,543.96

Finding the Fourth Proportional to 14,107.48, 21,138.14 and 8,543.96

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Solution

The fourth proportional to 14,107.48, 21,138.14 and 8,543.96 is: 12,801.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.48 : 21,138.14 = 8,543.96 : x
  2. Step 2: Convert to fraction form
    14,107.48/21,138.14 = 8,543.96/x
  3. Step 3: Cross multiply
    14,107.48x = 21,138.14 × 8,543.96
  4. Step 4: Simplify right side
    14,107.48x = 180,603,422.63
  5. Step 5: Solve for x
    x = 180,603,422.63/14,107.48
  6. Step 6: Final answer
    x = 12,801.96

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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.