Home / 13,389.17-20,086.48-4,622.94

Finding the Fourth Proportional to 13,389.17, 20,086.48 and 4,622.94

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Solution

The fourth proportional to 13,389.17, 20,086.48 and 4,622.94 is: 6,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389.17 : 20,086.48 = 4,622.94 : x
  2. Step 2: Convert to fraction form
    13,389.17/20,086.48 = 4,622.94/x
  3. Step 3: Cross multiply
    13,389.17x = 20,086.48 × 4,622.94
  4. Step 4: Simplify right side
    13,389.17x = 92,858,597.63
  5. Step 5: Solve for x
    x = 92,858,597.63/13,389.17
  6. Step 6: Final answer
    x = 6,935.35

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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.