Home / 13,546.09-18,695.10-7,579.36

Finding the Fourth Proportional to 13,546.09, 18,695.10 and 7,579.36

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Solution

The fourth proportional to 13,546.09, 18,695.10 and 7,579.36 is: 10,460.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.09 : 18,695.10 = 7,579.36 : x
  2. Step 2: Convert to fraction form
    13,546.09/18,695.10 = 7,579.36/x
  3. Step 3: Cross multiply
    13,546.09x = 18,695.10 × 7,579.36
  4. Step 4: Simplify right side
    13,546.09x = 141,696,893.14
  5. Step 5: Solve for x
    x = 141,696,893.14/13,546.09
  6. Step 6: Final answer
    x = 10,460.35

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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.