Home / 15,553.22-23,335.29-13,111.07

Finding the Fourth Proportional to 15,553.22, 23,335.29 and 13,111.07

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Solution

The fourth proportional to 15,553.22, 23,335.29 and 13,111.07 is: 19,671.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.22 : 23,335.29 = 13,111.07 : x
  2. Step 2: Convert to fraction form
    15,553.22/23,335.29 = 13,111.07/x
  3. Step 3: Cross multiply
    15,553.22x = 23,335.29 × 13,111.07
  4. Step 4: Simplify right side
    15,553.22x = 305,950,503.98
  5. Step 5: Solve for x
    x = 305,950,503.98/15,553.22
  6. Step 6: Final answer
    x = 19,671.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.