Home / 16,769.02-23,141.63-9,215.81

Finding the Fourth Proportional to 16,769.02, 23,141.63 and 9,215.81

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Solution

The fourth proportional to 16,769.02, 23,141.63 and 9,215.81 is: 12,718.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.02 : 23,141.63 = 9,215.81 : x
  2. Step 2: Convert to fraction form
    16,769.02/23,141.63 = 9,215.81/x
  3. Step 3: Cross multiply
    16,769.02x = 23,141.63 × 9,215.81
  4. Step 4: Simplify right side
    16,769.02x = 213,268,865.17
  5. Step 5: Solve for x
    x = 213,268,865.17/16,769.02
  6. Step 6: Final answer
    x = 12,718.03

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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.