Home / 14,302.54-21,456.70-4,942.90

Finding the Fourth Proportional to 14,302.54, 21,456.70 and 4,942.90

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Solution

The fourth proportional to 14,302.54, 21,456.70 and 4,942.90 is: 7,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302.54 : 21,456.70 = 4,942.90 : x
  2. Step 2: Convert to fraction form
    14,302.54/21,456.70 = 4,942.90/x
  3. Step 3: Cross multiply
    14,302.54x = 21,456.70 × 4,942.90
  4. Step 4: Simplify right side
    14,302.54x = 106,058,322.43
  5. Step 5: Solve for x
    x = 106,058,322.43/14,302.54
  6. Step 6: Final answer
    x = 7,415.35

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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.