Home / 21,546.35-29,733.33-13,053.50

Finding the Fourth Proportional to 21,546.35, 29,733.33 and 13,053.50

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Solution

The fourth proportional to 21,546.35, 29,733.33 and 13,053.50 is: 18,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546.35 : 29,733.33 = 13,053.50 : x
  2. Step 2: Convert to fraction form
    21,546.35/29,733.33 = 13,053.50/x
  3. Step 3: Cross multiply
    21,546.35x = 29,733.33 × 13,053.50
  4. Step 4: Simplify right side
    21,546.35x = 388,124,023.16
  5. Step 5: Solve for x
    x = 388,124,023.16/21,546.35
  6. Step 6: Final answer
    x = 18,013.45

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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.