Home / 14,478.20-19,982.06-9,173.51

Finding the Fourth Proportional to 14,478.20, 19,982.06 and 9,173.51

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Solution

The fourth proportional to 14,478.20, 19,982.06 and 9,173.51 is: 12,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,478.20 : 19,982.06 = 9,173.51 : x
  2. Step 2: Convert to fraction form
    14,478.20/19,982.06 = 9,173.51/x
  3. Step 3: Cross multiply
    14,478.20x = 19,982.06 × 9,173.51
  4. Step 4: Simplify right side
    14,478.20x = 183,305,627.23
  5. Step 5: Solve for x
    x = 183,305,627.23/14,478.20
  6. Step 6: Final answer
    x = 12,660.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.