Home / 13,268.08-18,309.95-7,300.14

Finding the Fourth Proportional to 13,268.08, 18,309.95 and 7,300.14

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Solution

The fourth proportional to 13,268.08, 18,309.95 and 7,300.14 is: 10,074.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.08 : 18,309.95 = 7,300.14 : x
  2. Step 2: Convert to fraction form
    13,268.08/18,309.95 = 7,300.14/x
  3. Step 3: Cross multiply
    13,268.08x = 18,309.95 × 7,300.14
  4. Step 4: Simplify right side
    13,268.08x = 133,665,120.61
  5. Step 5: Solve for x
    x = 133,665,120.61/13,268.08
  6. Step 6: Final answer
    x = 10,074.19

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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.