Home / 13,250.09-18,284.75-7,281.75

Finding the Fourth Proportional to 13,250.09, 18,284.75 and 7,281.75

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Solution

The fourth proportional to 13,250.09, 18,284.75 and 7,281.75 is: 10,048.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.09 : 18,284.75 = 7,281.75 : x
  2. Step 2: Convert to fraction form
    13,250.09/18,284.75 = 7,281.75/x
  3. Step 3: Cross multiply
    13,250.09x = 18,284.75 × 7,281.75
  4. Step 4: Simplify right side
    13,250.09x = 133,144,978.31
  5. Step 5: Solve for x
    x = 133,144,978.31/13,250.09
  6. Step 6: Final answer
    x = 10,048.61

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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.