Home / 13,818.12-19,068.44-7,849.13

Finding the Fourth Proportional to 13,818.12, 19,068.44 and 7,849.13

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Solution

The fourth proportional to 13,818.12, 19,068.44 and 7,849.13 is: 10,831.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.12 : 19,068.44 = 7,849.13 : x
  2. Step 2: Convert to fraction form
    13,818.12/19,068.44 = 7,849.13/x
  3. Step 3: Cross multiply
    13,818.12x = 19,068.44 × 7,849.13
  4. Step 4: Simplify right side
    13,818.12x = 149,670,605.58
  5. Step 5: Solve for x
    x = 149,670,605.58/13,818.12
  6. Step 6: Final answer
    x = 10,831.47

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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.