Home / 14,415.34-21,623.36-4,420.30

Finding the Fourth Proportional to 14,415.34, 21,623.36 and 4,420.30

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Solution

The fourth proportional to 14,415.34, 21,623.36 and 4,420.30 is: 6,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.34 : 21,623.36 = 4,420.30 : x
  2. Step 2: Convert to fraction form
    14,415.34/21,623.36 = 4,420.30/x
  3. Step 3: Cross multiply
    14,415.34x = 21,623.36 × 4,420.30
  4. Step 4: Simplify right side
    14,415.34x = 95,581,738.21
  5. Step 5: Solve for x
    x = 95,581,738.21/14,415.34
  6. Step 6: Final answer
    x = 6,630.56

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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.