Home / 19,681.19-29,518.74-7,198.29

Finding the Fourth Proportional to 19,681.19, 29,518.74 and 7,198.29

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Solution

The fourth proportional to 19,681.19, 29,518.74 and 7,198.29 is: 10,796.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681.19 : 29,518.74 = 7,198.29 : x
  2. Step 2: Convert to fraction form
    19,681.19/29,518.74 = 7,198.29/x
  3. Step 3: Cross multiply
    19,681.19x = 29,518.74 × 7,198.29
  4. Step 4: Simplify right side
    19,681.19x = 212,484,549.05
  5. Step 5: Solve for x
    x = 212,484,549.05/19,681.19
  6. Step 6: Final answer
    x = 10,796.33

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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.