Home / 9,830.06-13,565.40-6,847.55

Finding the Fourth Proportional to 9,830.06, 13,565.40 and 6,847.55

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Solution

The fourth proportional to 9,830.06, 13,565.40 and 6,847.55 is: 9,449.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,830.06 : 13,565.40 = 6,847.55 : x
  2. Step 2: Convert to fraction form
    9,830.06/13,565.40 = 6,847.55/x
  3. Step 3: Cross multiply
    9,830.06x = 13,565.40 × 6,847.55
  4. Step 4: Simplify right side
    9,830.06x = 92,889,754.77
  5. Step 5: Solve for x
    x = 92,889,754.77/9,830.06
  6. Step 6: Final answer
    x = 9,449.56

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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.