Home / 19,012.47-28,520.33-5,867.79

Finding the Fourth Proportional to 19,012.47, 28,520.33 and 5,867.79

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Solution

The fourth proportional to 19,012.47, 28,520.33 and 5,867.79 is: 8,802.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.47 : 28,520.33 = 5,867.79 : x
  2. Step 2: Convert to fraction form
    19,012.47/28,520.33 = 5,867.79/x
  3. Step 3: Cross multiply
    19,012.47x = 28,520.33 × 5,867.79
  4. Step 4: Simplify right side
    19,012.47x = 167,351,277.83
  5. Step 5: Solve for x
    x = 167,351,277.83/19,012.47
  6. Step 6: Final answer
    x = 8,802.18

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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.