Home / 18,738.08-28,106.47-4,698.23

Finding the Fourth Proportional to 18,738.08, 28,106.47 and 4,698.23

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Solution

The fourth proportional to 18,738.08, 28,106.47 and 4,698.23 is: 7,047.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.08 : 28,106.47 = 4,698.23 : x
  2. Step 2: Convert to fraction form
    18,738.08/28,106.47 = 4,698.23/x
  3. Step 3: Cross multiply
    18,738.08x = 28,106.47 × 4,698.23
  4. Step 4: Simplify right side
    18,738.08x = 132,050,660.55
  5. Step 5: Solve for x
    x = 132,050,660.55/18,738.08
  6. Step 6: Final answer
    x = 7,047.18

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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.