Home / 15,913.21-23,869.83-4,226.14

Finding the Fourth Proportional to 15,913.21, 23,869.83 and 4,226.14

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Solution

The fourth proportional to 15,913.21, 23,869.83 and 4,226.14 is: 6,339.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913.21 : 23,869.83 = 4,226.14 : x
  2. Step 2: Convert to fraction form
    15,913.21/23,869.83 = 4,226.14/x
  3. Step 3: Cross multiply
    15,913.21x = 23,869.83 × 4,226.14
  4. Step 4: Simplify right side
    15,913.21x = 100,877,243.36
  5. Step 5: Solve for x
    x = 100,877,243.36/15,913.21
  6. Step 6: Final answer
    x = 6,339.21

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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.