Home / 14,108.60-21,154.80-4,246.40

Finding the Fourth Proportional to 14,108.60, 21,154.80 and 4,246.40

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Solution

The fourth proportional to 14,108.60, 21,154.80 and 4,246.40 is: 6,367.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.60 : 21,154.80 = 4,246.40 : x
  2. Step 2: Convert to fraction form
    14,108.60/21,154.80 = 4,246.40/x
  3. Step 3: Cross multiply
    14,108.60x = 21,154.80 × 4,246.40
  4. Step 4: Simplify right side
    14,108.60x = 89,831,742.72
  5. Step 5: Solve for x
    x = 89,831,742.72/14,108.60
  6. Step 6: Final answer
    x = 6,367.16

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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.