Home / 13,461.54-18,573.72-10,112.34

Finding the Fourth Proportional to 13,461.54, 18,573.72 and 10,112.34

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Solution

The fourth proportional to 13,461.54, 18,573.72 and 10,112.34 is: 13,952.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.54 : 18,573.72 = 10,112.34 : x
  2. Step 2: Convert to fraction form
    13,461.54/18,573.72 = 10,112.34/x
  3. Step 3: Cross multiply
    13,461.54x = 18,573.72 × 10,112.34
  4. Step 4: Simplify right side
    13,461.54x = 187,823,860.32
  5. Step 5: Solve for x
    x = 187,823,860.32/13,461.54
  6. Step 6: Final answer
    x = 13,952.63

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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.