Home / 12,944.18-19,411.21-5,045.53

Finding the Fourth Proportional to 12,944.18, 19,411.21 and 5,045.53

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Solution

The fourth proportional to 12,944.18, 19,411.21 and 5,045.53 is: 7,566.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.18 : 19,411.21 = 5,045.53 : x
  2. Step 2: Convert to fraction form
    12,944.18/19,411.21 = 5,045.53/x
  3. Step 3: Cross multiply
    12,944.18x = 19,411.21 × 5,045.53
  4. Step 4: Simplify right side
    12,944.18x = 97,939,842.39
  5. Step 5: Solve for x
    x = 97,939,842.39/12,944.18
  6. Step 6: Final answer
    x = 7,566.32

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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.