Home / 11,890.07-17,835.05-3,570.05

Finding the Fourth Proportional to 11,890.07, 17,835.05 and 3,570.05

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Solution

The fourth proportional to 11,890.07, 17,835.05 and 3,570.05 is: 5,355.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.07 : 17,835.05 = 3,570.05 : x
  2. Step 2: Convert to fraction form
    11,890.07/17,835.05 = 3,570.05/x
  3. Step 3: Cross multiply
    11,890.07x = 17,835.05 × 3,570.05
  4. Step 4: Simplify right side
    11,890.07x = 63,671,913.23
  5. Step 5: Solve for x
    x = 63,671,913.23/11,890.07
  6. Step 6: Final answer
    x = 5,355.05

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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.