Home / 21,664.36-32,506.62-9,187.32

Finding the Fourth Proportional to 21,664.36, 32,506.62 and 9,187.32

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Solution

The fourth proportional to 21,664.36, 32,506.62 and 9,187.32 is: 13,785.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,664.36 : 32,506.62 = 9,187.32 : x
  2. Step 2: Convert to fraction form
    21,664.36/32,506.62 = 9,187.32/x
  3. Step 3: Cross multiply
    21,664.36x = 32,506.62 × 9,187.32
  4. Step 4: Simplify right side
    21,664.36x = 298,648,807.51
  5. Step 5: Solve for x
    x = 298,648,807.51/21,664.36
  6. Step 6: Final answer
    x = 13,785.26

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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.