Home / 13,298.77-18,352.19-7,634.44

Finding the Fourth Proportional to 13,298.77, 18,352.19 and 7,634.44

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Solution

The fourth proportional to 13,298.77, 18,352.19 and 7,634.44 is: 10,535.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.77 : 18,352.19 = 7,634.44 : x
  2. Step 2: Convert to fraction form
    13,298.77/18,352.19 = 7,634.44/x
  3. Step 3: Cross multiply
    13,298.77x = 18,352.19 × 7,634.44
  4. Step 4: Simplify right side
    13,298.77x = 140,108,735.45
  5. Step 5: Solve for x
    x = 140,108,735.45/13,298.77
  6. Step 6: Final answer
    x = 10,535.46

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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.