Home / 13,069.08-18,035.28-7,694.64

Finding the Fourth Proportional to 13,069.08, 18,035.28 and 7,694.64

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Solution

The fourth proportional to 13,069.08, 18,035.28 and 7,694.64 is: 10,618.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.08 : 18,035.28 = 7,694.64 : x
  2. Step 2: Convert to fraction form
    13,069.08/18,035.28 = 7,694.64/x
  3. Step 3: Cross multiply
    13,069.08x = 18,035.28 × 7,694.64
  4. Step 4: Simplify right side
    13,069.08x = 138,774,986.90
  5. Step 5: Solve for x
    x = 138,774,986.90/13,069.08
  6. Step 6: Final answer
    x = 10,618.57

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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.