Home / 14,258.02-21,388.11-3,869.50

Finding the Fourth Proportional to 14,258.02, 21,388.11 and 3,869.50

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Solution

The fourth proportional to 14,258.02, 21,388.11 and 3,869.50 is: 5,804.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.02 : 21,388.11 = 3,869.50 : x
  2. Step 2: Convert to fraction form
    14,258.02/21,388.11 = 3,869.50/x
  3. Step 3: Cross multiply
    14,258.02x = 21,388.11 × 3,869.50
  4. Step 4: Simplify right side
    14,258.02x = 82,761,291.65
  5. Step 5: Solve for x
    x = 82,761,291.65/14,258.02
  6. Step 6: Final answer
    x = 5,804.54

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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.