Home / 14,020.02-21,027.78-3,885.98

Finding the Fourth Proportional to 14,020.02, 21,027.78 and 3,885.98

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Solution

The fourth proportional to 14,020.02, 21,027.78 and 3,885.98 is: 5,828.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.02 : 21,027.78 = 3,885.98 : x
  2. Step 2: Convert to fraction form
    14,020.02/21,027.78 = 3,885.98/x
  3. Step 3: Cross multiply
    14,020.02x = 21,027.78 × 3,885.98
  4. Step 4: Simplify right side
    14,020.02x = 81,713,427.39
  5. Step 5: Solve for x
    x = 81,713,427.39/14,020.02
  6. Step 6: Final answer
    x = 5,828.34

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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.