Home / 19,292.12-28,943.66-6,145.50

Finding the Fourth Proportional to 19,292.12, 28,943.66 and 6,145.50

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Solution

The fourth proportional to 19,292.12, 28,943.66 and 6,145.50 is: 9,220.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292.12 : 28,943.66 = 6,145.50 : x
  2. Step 2: Convert to fraction form
    19,292.12/28,943.66 = 6,145.50/x
  3. Step 3: Cross multiply
    19,292.12x = 28,943.66 × 6,145.50
  4. Step 4: Simplify right side
    19,292.12x = 177,873,351.86
  5. Step 5: Solve for x
    x = 177,873,351.86/19,292.12
  6. Step 6: Final answer
    x = 9,220.00

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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.