Home / 11,888.42-16,405.74-6,852.60

Finding the Fourth Proportional to 11,888.42, 16,405.74 and 6,852.60

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Solution

The fourth proportional to 11,888.42, 16,405.74 and 6,852.60 is: 9,456.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.42 : 16,405.74 = 6,852.60 : x
  2. Step 2: Convert to fraction form
    11,888.42/16,405.74 = 6,852.60/x
  3. Step 3: Cross multiply
    11,888.42x = 16,405.74 × 6,852.60
  4. Step 4: Simplify right side
    11,888.42x = 112,421,973.92
  5. Step 5: Solve for x
    x = 112,421,973.92/11,888.42
  6. Step 6: Final answer
    x = 9,456.43

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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.