Home / 19,079.08-26,326.72-11,119.31

Finding the Fourth Proportional to 19,079.08, 26,326.72 and 11,119.31

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Solution

The fourth proportional to 19,079.08, 26,326.72 and 11,119.31 is: 15,343.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079.08 : 26,326.72 = 11,119.31 : x
  2. Step 2: Convert to fraction form
    19,079.08/26,326.72 = 11,119.31/x
  3. Step 3: Cross multiply
    19,079.08x = 26,326.72 × 11,119.31
  4. Step 4: Simplify right side
    19,079.08x = 292,734,941.95
  5. Step 5: Solve for x
    x = 292,734,941.95/19,079.08
  6. Step 6: Final answer
    x = 15,343.24

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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.