Home / 19,631.26-29,448.54-8,538.34

Finding the Fourth Proportional to 19,631.26, 29,448.54 and 8,538.34

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Solution

The fourth proportional to 19,631.26, 29,448.54 and 8,538.34 is: 12,808.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.26 : 29,448.54 = 8,538.34 : x
  2. Step 2: Convert to fraction form
    19,631.26/29,448.54 = 8,538.34/x
  3. Step 3: Cross multiply
    19,631.26x = 29,448.54 × 8,538.34
  4. Step 4: Simplify right side
    19,631.26x = 251,441,647.02
  5. Step 5: Solve for x
    x = 251,441,647.02/19,631.26
  6. Step 6: Final answer
    x = 12,808.23

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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.