Home / 13,224.45-19,823.54-6,630.51

Finding the Fourth Proportional to 13,224.45, 19,823.54 and 6,630.51

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Solution

The fourth proportional to 13,224.45, 19,823.54 and 6,630.51 is: 9,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.45 : 19,823.54 = 6,630.51 : x
  2. Step 2: Convert to fraction form
    13,224.45/19,823.54 = 6,630.51/x
  3. Step 3: Cross multiply
    13,224.45x = 19,823.54 × 6,630.51
  4. Step 4: Simplify right side
    13,224.45x = 131,440,147.05
  5. Step 5: Solve for x
    x = 131,440,147.05/13,224.45
  6. Step 6: Final answer
    x = 9,939.18

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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.