Home / 14,224.37-19,618.54-9,120.37

Finding the Fourth Proportional to 14,224.37, 19,618.54 and 9,120.37

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Solution

The fourth proportional to 14,224.37, 19,618.54 and 9,120.37 is: 12,579.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.37 : 19,618.54 = 9,120.37 : x
  2. Step 2: Convert to fraction form
    14,224.37/19,618.54 = 9,120.37/x
  3. Step 3: Cross multiply
    14,224.37x = 19,618.54 × 9,120.37
  4. Step 4: Simplify right side
    14,224.37x = 178,928,343.66
  5. Step 5: Solve for x
    x = 178,928,343.66/14,224.37
  6. Step 6: Final answer
    x = 12,579.00

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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.