Home / 19,759.36-29,631.60-8,066.32

Finding the Fourth Proportional to 19,759.36, 29,631.60 and 8,066.32

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Solution

The fourth proportional to 19,759.36, 29,631.60 and 8,066.32 is: 12,096.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.36 : 29,631.60 = 8,066.32 : x
  2. Step 2: Convert to fraction form
    19,759.36/29,631.60 = 8,066.32/x
  3. Step 3: Cross multiply
    19,759.36x = 29,631.60 × 8,066.32
  4. Step 4: Simplify right side
    19,759.36x = 239,017,967.71
  5. Step 5: Solve for x
    x = 239,017,967.71/19,759.36
  6. Step 6: Final answer
    x = 12,096.44

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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.