Home / 23,106.93-31,887.99-13,553.67

Finding the Fourth Proportional to 23,106.93, 31,887.99 and 13,553.67

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Solution

The fourth proportional to 23,106.93, 31,887.99 and 13,553.67 is: 18,704.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,106.93 : 31,887.99 = 13,553.67 : x
  2. Step 2: Convert to fraction form
    23,106.93/31,887.99 = 13,553.67/x
  3. Step 3: Cross multiply
    23,106.93x = 31,887.99 × 13,553.67
  4. Step 4: Simplify right side
    23,106.93x = 432,199,293.42
  5. Step 5: Solve for x
    x = 432,199,293.42/23,106.93
  6. Step 6: Final answer
    x = 18,704.31

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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.