Home / 23,115.98-31,889.93-13,551.02

Finding the Fourth Proportional to 23,115.98, 31,889.93 and 13,551.02

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Solution

The fourth proportional to 23,115.98, 31,889.93 and 13,551.02 is: 18,694.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,115.98 : 31,889.93 = 13,551.02 : x
  2. Step 2: Convert to fraction form
    23,115.98/31,889.93 = 13,551.02/x
  3. Step 3: Cross multiply
    23,115.98x = 31,889.93 × 13,551.02
  4. Step 4: Simplify right side
    23,115.98x = 432,140,852.02
  5. Step 5: Solve for x
    x = 432,140,852.02/23,115.98
  6. Step 6: Final answer
    x = 18,694.46

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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.