Home / 14,082.06-21,040.34-13,591.45

Finding the Fourth Proportional to 14,082.06, 21,040.34 and 13,591.45

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Solution

The fourth proportional to 14,082.06, 21,040.34 and 13,591.45 is: 20,307.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,082.06 : 21,040.34 = 13,591.45 : x
  2. Step 2: Convert to fraction form
    14,082.06/21,040.34 = 13,591.45/x
  3. Step 3: Cross multiply
    14,082.06x = 21,040.34 × 13,591.45
  4. Step 4: Simplify right side
    14,082.06x = 285,968,729.09
  5. Step 5: Solve for x
    x = 285,968,729.09/14,082.06
  6. Step 6: Final answer
    x = 20,307.31

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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.