Home / 14,470.40-21,708.96-5,704.64

Finding the Fourth Proportional to 14,470.40, 21,708.96 and 5,704.64

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Solution

The fourth proportional to 14,470.40, 21,708.96 and 5,704.64 is: 8,558.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.40 : 21,708.96 = 5,704.64 : x
  2. Step 2: Convert to fraction form
    14,470.40/21,708.96 = 5,704.64/x
  3. Step 3: Cross multiply
    14,470.40x = 21,708.96 × 5,704.64
  4. Step 4: Simplify right side
    14,470.40x = 123,841,801.57
  5. Step 5: Solve for x
    x = 123,841,801.57/14,470.40
  6. Step 6: Final answer
    x = 8,558.28

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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.