Home / 13,268.71-18,310.29-7,300.36

Finding the Fourth Proportional to 13,268.71, 18,310.29 and 7,300.36

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Solution

The fourth proportional to 13,268.71, 18,310.29 and 7,300.36 is: 10,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.71 : 18,310.29 = 7,300.36 : x
  2. Step 2: Convert to fraction form
    13,268.71/18,310.29 = 7,300.36/x
  3. Step 3: Cross multiply
    13,268.71x = 18,310.29 × 7,300.36
  4. Step 4: Simplify right side
    13,268.71x = 133,671,708.70
  5. Step 5: Solve for x
    x = 133,671,708.70/13,268.71
  6. Step 6: Final answer
    x = 10,074.21

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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.