Home / 13,546.04-18,694.45-7,578.26

Finding the Fourth Proportional to 13,546.04, 18,694.45 and 7,578.26

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Solution

The fourth proportional to 13,546.04, 18,694.45 and 7,578.26 is: 10,458.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.04 : 18,694.45 = 7,578.26 : x
  2. Step 2: Convert to fraction form
    13,546.04/18,694.45 = 7,578.26/x
  3. Step 3: Cross multiply
    13,546.04x = 18,694.45 × 7,578.26
  4. Step 4: Simplify right side
    13,546.04x = 141,671,346.13
  5. Step 5: Solve for x
    x = 141,671,346.13/13,546.04
  6. Step 6: Final answer
    x = 10,458.51

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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.