Home / 14,171.56-21,250.26-5,283.88

Finding the Fourth Proportional to 14,171.56, 21,250.26 and 5,283.88

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Solution

The fourth proportional to 14,171.56, 21,250.26 and 5,283.88 is: 7,923.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.56 : 21,250.26 = 5,283.88 : x
  2. Step 2: Convert to fraction form
    14,171.56/21,250.26 = 5,283.88/x
  3. Step 3: Cross multiply
    14,171.56x = 21,250.26 × 5,283.88
  4. Step 4: Simplify right side
    14,171.56x = 112,283,823.81
  5. Step 5: Solve for x
    x = 112,283,823.81/14,171.56
  6. Step 6: Final answer
    x = 7,923.18

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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.