Home / 14,422.89-19,903.60-8,135.26

Finding the Fourth Proportional to 14,422.89, 19,903.60 and 8,135.26

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Solution

The fourth proportional to 14,422.89, 19,903.60 and 8,135.26 is: 11,226.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.89 : 19,903.60 = 8,135.26 : x
  2. Step 2: Convert to fraction form
    14,422.89/19,903.60 = 8,135.26/x
  3. Step 3: Cross multiply
    14,422.89x = 19,903.60 × 8,135.26
  4. Step 4: Simplify right side
    14,422.89x = 161,920,960.94
  5. Step 5: Solve for x
    x = 161,920,960.94/14,422.89
  6. Step 6: Final answer
    x = 11,226.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.