Home / 19,585.36-29,367.96-7,895.44

Finding the Fourth Proportional to 19,585.36, 29,367.96 and 7,895.44

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Solution

The fourth proportional to 19,585.36, 29,367.96 and 7,895.44 is: 11,839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585.36 : 29,367.96 = 7,895.44 : x
  2. Step 2: Convert to fraction form
    19,585.36/29,367.96 = 7,895.44/x
  3. Step 3: Cross multiply
    19,585.36x = 29,367.96 × 7,895.44
  4. Step 4: Simplify right side
    19,585.36x = 231,872,966.10
  5. Step 5: Solve for x
    x = 231,872,966.10/19,585.36
  6. Step 6: Final answer
    x = 11,839.10

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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.