Home / 19,373.32-26,736.06-11,415.88

Finding the Fourth Proportional to 19,373.32, 26,736.06 and 11,415.88

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Solution

The fourth proportional to 19,373.32, 26,736.06 and 11,415.88 is: 15,754.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,373.32 : 26,736.06 = 11,415.88 : x
  2. Step 2: Convert to fraction form
    19,373.32/26,736.06 = 11,415.88/x
  3. Step 3: Cross multiply
    19,373.32x = 26,736.06 × 11,415.88
  4. Step 4: Simplify right side
    19,373.32x = 305,215,652.63
  5. Step 5: Solve for x
    x = 305,215,652.63/19,373.32
  6. Step 6: Final answer
    x = 15,754.43

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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.