Home / 13,263.85-18,297.95-7,949.44

Finding the Fourth Proportional to 13,263.85, 18,297.95 and 7,949.44

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Solution

The fourth proportional to 13,263.85, 18,297.95 and 7,949.44 is: 10,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.85 : 18,297.95 = 7,949.44 : x
  2. Step 2: Convert to fraction form
    13,263.85/18,297.95 = 7,949.44/x
  3. Step 3: Cross multiply
    13,263.85x = 18,297.95 × 7,949.44
  4. Step 4: Simplify right side
    13,263.85x = 145,458,364.16
  5. Step 5: Solve for x
    x = 145,458,364.16/13,263.85
  6. Step 6: Final answer
    x = 10,966.53

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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.