Home / 19,130.96-28,699.32-6,818

Finding the Fourth Proportional to 19,130.96, 28,699.32 and 6,818

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Solution

The fourth proportional to 19,130.96, 28,699.32 and 6,818 is: 10,228.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.96 : 28,699.32 = 6,818 : x
  2. Step 2: Convert to fraction form
    19,130.96/28,699.32 = 6,818/x
  3. Step 3: Cross multiply
    19,130.96x = 28,699.32 × 6,818
  4. Step 4: Simplify right side
    19,130.96x = 195,671,963.76
  5. Step 5: Solve for x
    x = 195,671,963.76/19,130.96
  6. Step 6: Final answer
    x = 10,228.03

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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.