Home / 14,427.78-21,643.83-4,563.78

Finding the Fourth Proportional to 14,427.78, 21,643.83 and 4,563.78

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Solution

The fourth proportional to 14,427.78, 21,643.83 and 4,563.78 is: 6,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.78 : 21,643.83 = 4,563.78 : x
  2. Step 2: Convert to fraction form
    14,427.78/21,643.83 = 4,563.78/x
  3. Step 3: Cross multiply
    14,427.78x = 21,643.83 × 4,563.78
  4. Step 4: Simplify right side
    14,427.78x = 98,777,678.48
  5. Step 5: Solve for x
    x = 98,777,678.48/14,427.78
  6. Step 6: Final answer
    x = 6,846.35

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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.