Home / 9,980.08-13,769.09-6,397.93

Finding the Fourth Proportional to 9,980.08, 13,769.09 and 6,397.93

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Solution

The fourth proportional to 9,980.08, 13,769.09 and 6,397.93 is: 8,826.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980.08 : 13,769.09 = 6,397.93 : x
  2. Step 2: Convert to fraction form
    9,980.08/13,769.09 = 6,397.93/x
  3. Step 3: Cross multiply
    9,980.08x = 13,769.09 × 6,397.93
  4. Step 4: Simplify right side
    9,980.08x = 88,093,697.02
  5. Step 5: Solve for x
    x = 88,093,697.02/9,980.08
  6. Step 6: Final answer
    x = 8,826.95

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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.