Home / 13,089.29-19,622.31-4,767.75

Finding the Fourth Proportional to 13,089.29, 19,622.31 and 4,767.75

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Solution

The fourth proportional to 13,089.29, 19,622.31 and 4,767.75 is: 7,147.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.29 : 19,622.31 = 4,767.75 : x
  2. Step 2: Convert to fraction form
    13,089.29/19,622.31 = 4,767.75/x
  3. Step 3: Cross multiply
    13,089.29x = 19,622.31 × 4,767.75
  4. Step 4: Simplify right side
    13,089.29x = 93,554,268.50
  5. Step 5: Solve for x
    x = 93,554,268.50/13,089.29
  6. Step 6: Final answer
    x = 7,147.39

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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.