Home / 14,431.54-19,903.75-12,123.13

Finding the Fourth Proportional to 14,431.54, 19,903.75 and 12,123.13

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Solution

The fourth proportional to 14,431.54, 19,903.75 and 12,123.13 is: 16,720.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431.54 : 19,903.75 = 12,123.13 : x
  2. Step 2: Convert to fraction form
    14,431.54/19,903.75 = 12,123.13/x
  3. Step 3: Cross multiply
    14,431.54x = 19,903.75 × 12,123.13
  4. Step 4: Simplify right side
    14,431.54x = 241,295,748.74
  5. Step 5: Solve for x
    x = 241,295,748.74/14,431.54
  6. Step 6: Final answer
    x = 16,720.03

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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.