Home / 9,984.02-13,771.84-6,397.77

Finding the Fourth Proportional to 9,984.02, 13,771.84 and 6,397.77

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Solution

The fourth proportional to 9,984.02, 13,771.84 and 6,397.77 is: 8,825.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,984.02 : 13,771.84 = 6,397.77 : x
  2. Step 2: Convert to fraction form
    9,984.02/13,771.84 = 6,397.77/x
  3. Step 3: Cross multiply
    9,984.02x = 13,771.84 × 6,397.77
  4. Step 4: Simplify right side
    9,984.02x = 88,109,034.98
  5. Step 5: Solve for x
    x = 88,109,034.98/9,984.02
  6. Step 6: Final answer
    x = 8,825.01

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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.