Home / 14,224.61-21,331.45-5,460.21

Finding the Fourth Proportional to 14,224.61, 21,331.45 and 5,460.21

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Solution

The fourth proportional to 14,224.61, 21,331.45 and 5,460.21 is: 8,188.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.61 : 21,331.45 = 5,460.21 : x
  2. Step 2: Convert to fraction form
    14,224.61/21,331.45 = 5,460.21/x
  3. Step 3: Cross multiply
    14,224.61x = 21,331.45 × 5,460.21
  4. Step 4: Simplify right side
    14,224.61x = 116,474,203.43
  5. Step 5: Solve for x
    x = 116,474,203.43/14,224.61
  6. Step 6: Final answer
    x = 8,188.22

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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.