Home / 9,984.85-13,779.00-5,508.63

Finding the Fourth Proportional to 9,984.85, 13,779.00 and 5,508.63

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Solution

The fourth proportional to 9,984.85, 13,779.00 and 5,508.63 is: 7,601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,984.85 : 13,779.00 = 5,508.63 : x
  2. Step 2: Convert to fraction form
    9,984.85/13,779.00 = 5,508.63/x
  3. Step 3: Cross multiply
    9,984.85x = 13,779.00 × 5,508.63
  4. Step 4: Simplify right side
    9,984.85x = 75,903,419.67
  5. Step 5: Solve for x
    x = 75,903,419.67/9,984.85
  6. Step 6: Final answer
    x = 7,601.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.