Home / 13,265.76-18,309.35-7,604.31

Finding the Fourth Proportional to 13,265.76, 18,309.35 and 7,604.31

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Solution

The fourth proportional to 13,265.76, 18,309.35 and 7,604.31 is: 10,495.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.76 : 18,309.35 = 7,604.31 : x
  2. Step 2: Convert to fraction form
    13,265.76/18,309.35 = 7,604.31/x
  3. Step 3: Cross multiply
    13,265.76x = 18,309.35 × 7,604.31
  4. Step 4: Simplify right side
    13,265.76x = 139,229,917.18
  5. Step 5: Solve for x
    x = 139,229,917.18/13,265.76
  6. Step 6: Final answer
    x = 10,495.44

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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.