Home / 14,068.37-21,072.78-9,123.32

Finding the Fourth Proportional to 14,068.37, 21,072.78 and 9,123.32

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Solution

The fourth proportional to 14,068.37, 21,072.78 and 9,123.32 is: 13,665.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,068.37 : 21,072.78 = 9,123.32 : x
  2. Step 2: Convert to fraction form
    14,068.37/21,072.78 = 9,123.32/x
  3. Step 3: Cross multiply
    14,068.37x = 21,072.78 × 9,123.32
  4. Step 4: Simplify right side
    14,068.37x = 192,253,609.87
  5. Step 5: Solve for x
    x = 192,253,609.87/14,068.37
  6. Step 6: Final answer
    x = 13,665.67

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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.