Home / 16,728.93-23,085.90-9,655.36

Finding the Fourth Proportional to 16,728.93, 23,085.90 and 9,655.36

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Solution

The fourth proportional to 16,728.93, 23,085.90 and 9,655.36 is: 13,324.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.93 : 23,085.90 = 9,655.36 : x
  2. Step 2: Convert to fraction form
    16,728.93/23,085.90 = 9,655.36/x
  3. Step 3: Cross multiply
    16,728.93x = 23,085.90 × 9,655.36
  4. Step 4: Simplify right side
    16,728.93x = 222,902,617.71
  5. Step 5: Solve for x
    x = 222,902,617.71/16,728.93
  6. Step 6: Final answer
    x = 13,324.38

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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.