Home / 17,905.40-26,843.37-7,903.05

Finding the Fourth Proportional to 17,905.40, 26,843.37 and 7,903.05

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Solution

The fourth proportional to 17,905.40, 26,843.37 and 7,903.05 is: 11,848.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.40 : 26,843.37 = 7,903.05 : x
  2. Step 2: Convert to fraction form
    17,905.40/26,843.37 = 7,903.05/x
  3. Step 3: Cross multiply
    17,905.40x = 26,843.37 × 7,903.05
  4. Step 4: Simplify right side
    17,905.40x = 212,144,495.28
  5. Step 5: Solve for x
    x = 212,144,495.28/17,905.40
  6. Step 6: Final answer
    x = 11,848.07

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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.