Home / 21,661.02-32,484.92-9,180.81

Finding the Fourth Proportional to 21,661.02, 32,484.92 and 9,180.81

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Solution

The fourth proportional to 21,661.02, 32,484.92 and 9,180.81 is: 13,768.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,661.02 : 32,484.92 = 9,180.81 : x
  2. Step 2: Convert to fraction form
    21,661.02/32,484.92 = 9,180.81/x
  3. Step 3: Cross multiply
    21,661.02x = 32,484.92 × 9,180.81
  4. Step 4: Simplify right side
    21,661.02x = 298,237,936.65
  5. Step 5: Solve for x
    x = 298,237,936.65/21,661.02
  6. Step 6: Final answer
    x = 13,768.41

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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.