Home / 18,830.79-28,246.41-5,683.74

Finding the Fourth Proportional to 18,830.79, 28,246.41 and 5,683.74

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Solution

The fourth proportional to 18,830.79, 28,246.41 and 5,683.74 is: 8,525.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.79 : 28,246.41 = 5,683.74 : x
  2. Step 2: Convert to fraction form
    18,830.79/28,246.41 = 5,683.74/x
  3. Step 3: Cross multiply
    18,830.79x = 28,246.41 × 5,683.74
  4. Step 4: Simplify right side
    18,830.79x = 160,545,250.37
  5. Step 5: Solve for x
    x = 160,545,250.37/18,830.79
  6. Step 6: Final answer
    x = 8,525.68

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Double scale
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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.