Home / 14,427.21-21,638.65-4,565.21

Finding the Fourth Proportional to 14,427.21, 21,638.65 and 4,565.21

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Solution

The fourth proportional to 14,427.21, 21,638.65 and 4,565.21 is: 6,847.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.21 : 21,638.65 = 4,565.21 : x
  2. Step 2: Convert to fraction form
    14,427.21/21,638.65 = 4,565.21/x
  3. Step 3: Cross multiply
    14,427.21x = 21,638.65 × 4,565.21
  4. Step 4: Simplify right side
    14,427.21x = 98,784,915.86
  5. Step 5: Solve for x
    x = 98,784,915.86/14,427.21
  6. Step 6: Final answer
    x = 6,847.12

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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.