Home / 17,897.40-24,721.67-13,622.50

Finding the Fourth Proportional to 17,897.40, 24,721.67 and 13,622.50

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Solution

The fourth proportional to 17,897.40, 24,721.67 and 13,622.50 is: 18,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,897.40 : 24,721.67 = 13,622.50 : x
  2. Step 2: Convert to fraction form
    17,897.40/24,721.67 = 13,622.50/x
  3. Step 3: Cross multiply
    17,897.40x = 24,721.67 × 13,622.50
  4. Step 4: Simplify right side
    17,897.40x = 336,770,949.58
  5. Step 5: Solve for x
    x = 336,770,949.58/17,897.40
  6. Step 6: Final answer
    x = 18,816.75

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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.