Home / 12,854.30-19,283.74-4,539.15

Finding the Fourth Proportional to 12,854.30, 19,283.74 and 4,539.15

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Solution

The fourth proportional to 12,854.30, 19,283.74 and 4,539.15 is: 6,809.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,854.30 : 19,283.74 = 4,539.15 : x
  2. Step 2: Convert to fraction form
    12,854.30/19,283.74 = 4,539.15/x
  3. Step 3: Cross multiply
    12,854.30x = 19,283.74 × 4,539.15
  4. Step 4: Simplify right side
    12,854.30x = 87,531,669.31
  5. Step 5: Solve for x
    x = 87,531,669.31/12,854.30
  6. Step 6: Final answer
    x = 6,809.52

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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.