Home / 18,448.02-27,622.89-9,664.56

Finding the Fourth Proportional to 18,448.02, 27,622.89 and 9,664.56

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Solution

The fourth proportional to 18,448.02, 27,622.89 and 9,664.56 is: 14,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.02 : 27,622.89 = 9,664.56 : x
  2. Step 2: Convert to fraction form
    18,448.02/27,622.89 = 9,664.56/x
  3. Step 3: Cross multiply
    18,448.02x = 27,622.89 × 9,664.56
  4. Step 4: Simplify right side
    18,448.02x = 266,963,077.78
  5. Step 5: Solve for x
    x = 266,963,077.78/18,448.02
  6. Step 6: Final answer
    x = 14,471.10

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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.