Home / 46,520.12-69,779.73-11,459.78

Finding the Fourth Proportional to 46,520.12, 69,779.73 and 11,459.78

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Solution

The fourth proportional to 46,520.12, 69,779.73 and 11,459.78 is: 17,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,520.12 : 69,779.73 = 11,459.78 : x
  2. Step 2: Convert to fraction form
    46,520.12/69,779.73 = 11,459.78/x
  3. Step 3: Cross multiply
    46,520.12x = 69,779.73 × 11,459.78
  4. Step 4: Simplify right side
    46,520.12x = 799,660,245.55
  5. Step 5: Solve for x
    x = 799,660,245.55/46,520.12
  6. Step 6: Final answer
    x = 17,189.56

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1.5x scale

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.