Home / 17,385.57-26,071.80-6,289.51

Finding the Fourth Proportional to 17,385.57, 26,071.80 and 6,289.51

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Solution

The fourth proportional to 17,385.57, 26,071.80 and 6,289.51 is: 9,431.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,385.57 : 26,071.80 = 6,289.51 : x
  2. Step 2: Convert to fraction form
    17,385.57/26,071.80 = 6,289.51/x
  3. Step 3: Cross multiply
    17,385.57x = 26,071.80 × 6,289.51
  4. Step 4: Simplify right side
    17,385.57x = 163,978,846.82
  5. Step 5: Solve for x
    x = 163,978,846.82/17,385.57
  6. Step 6: Final answer
    x = 9,431.89

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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.