Home / 13,131.93-19,675.98-9,229.35

Finding the Fourth Proportional to 13,131.93, 19,675.98 and 9,229.35

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Solution

The fourth proportional to 13,131.93, 19,675.98 and 9,229.35 is: 13,828.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131.93 : 19,675.98 = 9,229.35 : x
  2. Step 2: Convert to fraction form
    13,131.93/19,675.98 = 9,229.35/x
  3. Step 3: Cross multiply
    13,131.93x = 19,675.98 × 9,229.35
  4. Step 4: Simplify right side
    13,131.93x = 181,596,506.01
  5. Step 5: Solve for x
    x = 181,596,506.01/13,131.93
  6. Step 6: Final answer
    x = 13,828.62

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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.