Home / 19,643.12-29,464.68-5,788.88

Finding the Fourth Proportional to 19,643.12, 29,464.68 and 5,788.88

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Solution

The fourth proportional to 19,643.12, 29,464.68 and 5,788.88 is: 8,683.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643.12 : 29,464.68 = 5,788.88 : x
  2. Step 2: Convert to fraction form
    19,643.12/29,464.68 = 5,788.88/x
  3. Step 3: Cross multiply
    19,643.12x = 29,464.68 × 5,788.88
  4. Step 4: Simplify right side
    19,643.12x = 170,567,496.76
  5. Step 5: Solve for x
    x = 170,567,496.76/19,643.12
  6. Step 6: Final answer
    x = 8,683.32

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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.