Home / 9,321.12-12,852.48-6,959.28

Finding the Fourth Proportional to 9,321.12, 12,852.48 and 6,959.28

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Solution

The fourth proportional to 9,321.12, 12,852.48 and 6,959.28 is: 9,595.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.12 : 12,852.48 = 6,959.28 : x
  2. Step 2: Convert to fraction form
    9,321.12/12,852.48 = 6,959.28/x
  3. Step 3: Cross multiply
    9,321.12x = 12,852.48 × 6,959.28
  4. Step 4: Simplify right side
    9,321.12x = 89,444,007.01
  5. Step 5: Solve for x
    x = 89,444,007.01/9,321.12
  6. Step 6: Final answer
    x = 9,595.84

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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.