Home / 14,152.25-21,228.43-4,291.62

Finding the Fourth Proportional to 14,152.25, 21,228.43 and 4,291.62

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Solution

The fourth proportional to 14,152.25, 21,228.43 and 4,291.62 is: 6,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.25 : 21,228.43 = 4,291.62 : x
  2. Step 2: Convert to fraction form
    14,152.25/21,228.43 = 4,291.62/x
  3. Step 3: Cross multiply
    14,152.25x = 21,228.43 × 4,291.62
  4. Step 4: Simplify right side
    14,152.25x = 91,104,354.76
  5. Step 5: Solve for x
    x = 91,104,354.76/14,152.25
  6. Step 6: Final answer
    x = 6,437.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.