Home / 9,796.96-13,521.95-6,440.08

Finding the Fourth Proportional to 9,796.96, 13,521.95 and 6,440.08

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Solution

The fourth proportional to 9,796.96, 13,521.95 and 6,440.08 is: 8,888.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,796.96 : 13,521.95 = 6,440.08 : x
  2. Step 2: Convert to fraction form
    9,796.96/13,521.95 = 6,440.08/x
  3. Step 3: Cross multiply
    9,796.96x = 13,521.95 × 6,440.08
  4. Step 4: Simplify right side
    9,796.96x = 87,082,455.86
  5. Step 5: Solve for x
    x = 87,082,455.86/9,796.96
  6. Step 6: Final answer
    x = 8,888.72

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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.