Home / 13,461.09-18,552.10-10,951.51

Finding the Fourth Proportional to 13,461.09, 18,552.10 and 10,951.51

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Solution

The fourth proportional to 13,461.09, 18,552.10 and 10,951.51 is: 15,093.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.09 : 18,552.10 = 10,951.51 : x
  2. Step 2: Convert to fraction form
    13,461.09/18,552.10 = 10,951.51/x
  3. Step 3: Cross multiply
    13,461.09x = 18,552.10 × 10,951.51
  4. Step 4: Simplify right side
    13,461.09x = 203,173,453.91
  5. Step 5: Solve for x
    x = 203,173,453.91/13,461.09
  6. Step 6: Final answer
    x = 15,093.39

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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.