Home / 13,934.57-20,908.70-6,539.63

Finding the Fourth Proportional to 13,934.57, 20,908.70 and 6,539.63

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Solution

The fourth proportional to 13,934.57, 20,908.70 and 6,539.63 is: 9,812.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.57 : 20,908.70 = 6,539.63 : x
  2. Step 2: Convert to fraction form
    13,934.57/20,908.70 = 6,539.63/x
  3. Step 3: Cross multiply
    13,934.57x = 20,908.70 × 6,539.63
  4. Step 4: Simplify right side
    13,934.57x = 136,735,207.49
  5. Step 5: Solve for x
    x = 136,735,207.49/13,934.57
  6. Step 6: Final answer
    x = 9,812.66

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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.