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Finding the Fourth Proportional to 17,955.06, 26,936.88 and 9,048.51

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Solution

The fourth proportional to 17,955.06, 26,936.88 and 9,048.51 is: 13,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955.06 : 26,936.88 = 9,048.51 : x
  2. Step 2: Convert to fraction form
    17,955.06/26,936.88 = 9,048.51/x
  3. Step 3: Cross multiply
    17,955.06x = 26,936.88 × 9,048.51
  4. Step 4: Simplify right side
    17,955.06x = 243,738,628.05
  5. Step 5: Solve for x
    x = 243,738,628.05/17,955.06
  6. Step 6: Final answer
    x = 13,574.93

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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.