Home / 12,944.34-19,418.40-5,045.40

Finding the Fourth Proportional to 12,944.34, 19,418.40 and 5,045.40

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Solution

The fourth proportional to 12,944.34, 19,418.40 and 5,045.40 is: 7,568.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.34 : 19,418.40 = 5,045.40 : x
  2. Step 2: Convert to fraction form
    12,944.34/19,418.40 = 5,045.40/x
  3. Step 3: Cross multiply
    12,944.34x = 19,418.40 × 5,045.40
  4. Step 4: Simplify right side
    12,944.34x = 97,973,595.36
  5. Step 5: Solve for x
    x = 97,973,595.36/12,944.34
  6. Step 6: Final answer
    x = 7,568.84

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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.