Home / 9,315.56-12,852.33-6,326.21

Finding the Fourth Proportional to 9,315.56, 12,852.33 and 6,326.21

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Solution

The fourth proportional to 9,315.56, 12,852.33 and 6,326.21 is: 8,728.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.56 : 12,852.33 = 6,326.21 : x
  2. Step 2: Convert to fraction form
    9,315.56/12,852.33 = 6,326.21/x
  3. Step 3: Cross multiply
    9,315.56x = 12,852.33 × 6,326.21
  4. Step 4: Simplify right side
    9,315.56x = 81,306,474.31
  5. Step 5: Solve for x
    x = 81,306,474.31/9,315.56
  6. Step 6: Final answer
    x = 8,728.03

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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.