Home / 19,127.54-28,695.93-6,645.75

Finding the Fourth Proportional to 19,127.54, 28,695.93 and 6,645.75

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Solution

The fourth proportional to 19,127.54, 28,695.93 and 6,645.75 is: 9,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.54 : 28,695.93 = 6,645.75 : x
  2. Step 2: Convert to fraction form
    19,127.54/28,695.93 = 6,645.75/x
  3. Step 3: Cross multiply
    19,127.54x = 28,695.93 × 6,645.75
  4. Step 4: Simplify right side
    19,127.54x = 190,705,976.80
  5. Step 5: Solve for x
    x = 190,705,976.80/19,127.54
  6. Step 6: Final answer
    x = 9,970.23

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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.