Home / 18,830.74-28,226.40-6,346.45

Finding the Fourth Proportional to 18,830.74, 28,226.40 and 6,346.45

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Solution

The fourth proportional to 18,830.74, 28,226.40 and 6,346.45 is: 9,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.74 : 28,226.40 = 6,346.45 : x
  2. Step 2: Convert to fraction form
    18,830.74/28,226.40 = 6,346.45/x
  3. Step 3: Cross multiply
    18,830.74x = 28,226.40 × 6,346.45
  4. Step 4: Simplify right side
    18,830.74x = 179,137,373.65
  5. Step 5: Solve for x
    x = 179,137,373.65/18,830.74
  6. Step 6: Final answer
    x = 9,513.03

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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.