Home / 13,816.43-20,708.58-7,897.46

Finding the Fourth Proportional to 13,816.43, 20,708.58 and 7,897.46

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Solution

The fourth proportional to 13,816.43, 20,708.58 and 7,897.46 is: 11,837.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.43 : 20,708.58 = 7,897.46 : x
  2. Step 2: Convert to fraction form
    13,816.43/20,708.58 = 7,897.46/x
  3. Step 3: Cross multiply
    13,816.43x = 20,708.58 × 7,897.46
  4. Step 4: Simplify right side
    13,816.43x = 163,545,182.21
  5. Step 5: Solve for x
    x = 163,545,182.21/13,816.43
  6. Step 6: Final answer
    x = 11,837.01

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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.