Home / 19,289.95-28,937.07-6,139.27

Finding the Fourth Proportional to 19,289.95, 28,937.07 and 6,139.27

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Solution

The fourth proportional to 19,289.95, 28,937.07 and 6,139.27 is: 9,209.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.95 : 28,937.07 = 6,139.27 : x
  2. Step 2: Convert to fraction form
    19,289.95/28,937.07 = 6,139.27/x
  3. Step 3: Cross multiply
    19,289.95x = 28,937.07 × 6,139.27
  4. Step 4: Simplify right side
    19,289.95x = 177,652,485.74
  5. Step 5: Solve for x
    x = 177,652,485.74/19,289.95
  6. Step 6: Final answer
    x = 9,209.59

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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.