Home / 14,022.90-20,903.27-13,809.06

Finding the Fourth Proportional to 14,022.90, 20,903.27 and 13,809.06

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Solution

The fourth proportional to 14,022.90, 20,903.27 and 13,809.06 is: 20,584.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.90 : 20,903.27 = 13,809.06 : x
  2. Step 2: Convert to fraction form
    14,022.90/20,903.27 = 13,809.06/x
  3. Step 3: Cross multiply
    14,022.90x = 20,903.27 × 13,809.06
  4. Step 4: Simplify right side
    14,022.90x = 288,654,440.58
  5. Step 5: Solve for x
    x = 288,654,440.58/14,022.90
  6. Step 6: Final answer
    x = 20,584.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.