Home / 19,589.19-29,371.62-6,438.03

Finding the Fourth Proportional to 19,589.19, 29,371.62 and 6,438.03

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Solution

The fourth proportional to 19,589.19, 29,371.62 and 6,438.03 is: 9,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,589.19 : 29,371.62 = 6,438.03 : x
  2. Step 2: Convert to fraction form
    19,589.19/29,371.62 = 6,438.03/x
  3. Step 3: Cross multiply
    19,589.19x = 29,371.62 × 6,438.03
  4. Step 4: Simplify right side
    19,589.19x = 189,095,370.71
  5. Step 5: Solve for x
    x = 189,095,370.71/19,589.19
  6. Step 6: Final answer
    x = 9,653.05

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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.