Home / 14,126.67-21,194.58-8,510.43

Finding the Fourth Proportional to 14,126.67, 21,194.58 and 8,510.43

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Solution

The fourth proportional to 14,126.67, 21,194.58 and 8,510.43 is: 12,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.67 : 21,194.58 = 8,510.43 : x
  2. Step 2: Convert to fraction form
    14,126.67/21,194.58 = 8,510.43/x
  3. Step 3: Cross multiply
    14,126.67x = 21,194.58 × 8,510.43
  4. Step 4: Simplify right side
    14,126.67x = 180,374,989.47
  5. Step 5: Solve for x
    x = 180,374,989.47/14,126.67
  6. Step 6: Final answer
    x = 12,768.40

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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.