Home / 19,070.25-26,317.31-11,112.95

Finding the Fourth Proportional to 19,070.25, 26,317.31 and 11,112.95

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Solution

The fourth proportional to 19,070.25, 26,317.31 and 11,112.95 is: 15,336.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.25 : 26,317.31 = 11,112.95 : x
  2. Step 2: Convert to fraction form
    19,070.25/26,317.31 = 11,112.95/x
  3. Step 3: Cross multiply
    19,070.25x = 26,317.31 × 11,112.95
  4. Step 4: Simplify right side
    19,070.25x = 292,462,763.01
  5. Step 5: Solve for x
    x = 292,462,763.01/19,070.25
  6. Step 6: Final answer
    x = 15,336.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.