Home / 12,842.95-19,268.36-11,518.33

Finding the Fourth Proportional to 12,842.95, 19,268.36 and 11,518.33

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Solution

The fourth proportional to 12,842.95, 19,268.36 and 11,518.33 is: 17,281.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842.95 : 19,268.36 = 11,518.33 : x
  2. Step 2: Convert to fraction form
    12,842.95/19,268.36 = 11,518.33/x
  3. Step 3: Cross multiply
    12,842.95x = 19,268.36 × 11,518.33
  4. Step 4: Simplify right side
    12,842.95x = 221,939,175.11
  5. Step 5: Solve for x
    x = 221,939,175.11/12,842.95
  6. Step 6: Final answer
    x = 17,281.02

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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.