Home / 14,259.24-21,374.28-5,490.72

Finding the Fourth Proportional to 14,259.24, 21,374.28 and 5,490.72

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Solution

The fourth proportional to 14,259.24, 21,374.28 and 5,490.72 is: 8,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.24 : 21,374.28 = 5,490.72 : x
  2. Step 2: Convert to fraction form
    14,259.24/21,374.28 = 5,490.72/x
  3. Step 3: Cross multiply
    14,259.24x = 21,374.28 × 5,490.72
  4. Step 4: Simplify right side
    14,259.24x = 117,360,186.68
  5. Step 5: Solve for x
    x = 117,360,186.68/14,259.24
  6. Step 6: Final answer
    x = 8,230.47

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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.