Home / 14,013.24-21,023.70-4,779.96

Finding the Fourth Proportional to 14,013.24, 21,023.70 and 4,779.96

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Solution

The fourth proportional to 14,013.24, 21,023.70 and 4,779.96 is: 7,171.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.24 : 21,023.70 = 4,779.96 : x
  2. Step 2: Convert to fraction form
    14,013.24/21,023.70 = 4,779.96/x
  3. Step 3: Cross multiply
    14,013.24x = 21,023.70 × 4,779.96
  4. Step 4: Simplify right side
    14,013.24x = 100,492,445.05
  5. Step 5: Solve for x
    x = 100,492,445.05/14,013.24
  6. Step 6: Final answer
    x = 7,171.25

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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.