Home / 15,363.64-23,023.86-8,779.96

Finding the Fourth Proportional to 15,363.64, 23,023.86 and 8,779.96

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Solution

The fourth proportional to 15,363.64, 23,023.86 and 8,779.96 is: 13,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363.64 : 23,023.86 = 8,779.96 : x
  2. Step 2: Convert to fraction form
    15,363.64/23,023.86 = 8,779.96/x
  3. Step 3: Cross multiply
    15,363.64x = 23,023.86 × 8,779.96
  4. Step 4: Simplify right side
    15,363.64x = 202,148,569.85
  5. Step 5: Solve for x
    x = 202,148,569.85/15,363.64
  6. Step 6: Final answer
    x = 13,157.60

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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.