Home / 13,268.94-18,311.13-7,300.48

Finding the Fourth Proportional to 13,268.94, 18,311.13 and 7,300.48

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Solution

The fourth proportional to 13,268.94, 18,311.13 and 7,300.48 is: 10,074.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.94 : 18,311.13 = 7,300.48 : x
  2. Step 2: Convert to fraction form
    13,268.94/18,311.13 = 7,300.48/x
  3. Step 3: Cross multiply
    13,268.94x = 18,311.13 × 7,300.48
  4. Step 4: Simplify right side
    13,268.94x = 133,679,946.79
  5. Step 5: Solve for x
    x = 133,679,946.79/13,268.94
  6. Step 6: Final answer
    x = 10,074.66

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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.