Home / 9,984.95-13,779.33-5,508.86

Finding the Fourth Proportional to 9,984.95, 13,779.33 and 5,508.86

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Solution

The fourth proportional to 9,984.95, 13,779.33 and 5,508.86 is: 7,602.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,984.95 : 13,779.33 = 5,508.86 : x
  2. Step 2: Convert to fraction form
    9,984.95/13,779.33 = 5,508.86/x
  3. Step 3: Cross multiply
    9,984.95x = 13,779.33 × 5,508.86
  4. Step 4: Simplify right side
    9,984.95x = 75,908,330.97
  5. Step 5: Solve for x
    x = 75,908,330.97/9,984.95
  6. Step 6: Final answer
    x = 7,602.28

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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.