Home / 13,107.46-18,094.77-8,937.58

Finding the Fourth Proportional to 13,107.46, 18,094.77 and 8,937.58

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Solution

The fourth proportional to 13,107.46, 18,094.77 and 8,937.58 is: 12,338.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.46 : 18,094.77 = 8,937.58 : x
  2. Step 2: Convert to fraction form
    13,107.46/18,094.77 = 8,937.58/x
  3. Step 3: Cross multiply
    13,107.46x = 18,094.77 × 8,937.58
  4. Step 4: Simplify right side
    13,107.46x = 161,723,454.46
  5. Step 5: Solve for x
    x = 161,723,454.46/13,107.46
  6. Step 6: Final answer
    x = 12,338.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.