Home / 12,938.37-19,407.54-5,538.03

Finding the Fourth Proportional to 12,938.37, 19,407.54 and 5,538.03

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Solution

The fourth proportional to 12,938.37, 19,407.54 and 5,538.03 is: 8,307.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,938.37 : 19,407.54 = 5,538.03 : x
  2. Step 2: Convert to fraction form
    12,938.37/19,407.54 = 5,538.03/x
  3. Step 3: Cross multiply
    12,938.37x = 19,407.54 × 5,538.03
  4. Step 4: Simplify right side
    12,938.37x = 107,479,538.75
  5. Step 5: Solve for x
    x = 107,479,538.75/12,938.37
  6. Step 6: Final answer
    x = 8,307.04

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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.