Home / 14,266.35-21,296.43-12,516.75

Finding the Fourth Proportional to 14,266.35, 21,296.43 and 12,516.75

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Solution

The fourth proportional to 14,266.35, 21,296.43 and 12,516.75 is: 18,684.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,266.35 : 21,296.43 = 12,516.75 : x
  2. Step 2: Convert to fraction form
    14,266.35/21,296.43 = 12,516.75/x
  3. Step 3: Cross multiply
    14,266.35x = 21,296.43 × 12,516.75
  4. Step 4: Simplify right side
    14,266.35x = 266,562,090.20
  5. Step 5: Solve for x
    x = 266,562,090.20/14,266.35
  6. Step 6: Final answer
    x = 18,684.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.