Home / 12,837.88-19,253.46-5,438.53

Finding the Fourth Proportional to 12,837.88, 19,253.46 and 5,438.53

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Solution

The fourth proportional to 12,837.88, 19,253.46 and 5,438.53 is: 8,156.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.88 : 19,253.46 = 5,438.53 : x
  2. Step 2: Convert to fraction form
    12,837.88/19,253.46 = 5,438.53/x
  3. Step 3: Cross multiply
    12,837.88x = 19,253.46 × 5,438.53
  4. Step 4: Simplify right side
    12,837.88x = 104,710,519.81
  5. Step 5: Solve for x
    x = 104,710,519.81/12,837.88
  6. Step 6: Final answer
    x = 8,156.37

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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.