Home / 12,070.44-18,092.58-9,888.84

Finding the Fourth Proportional to 12,070.44, 18,092.58 and 9,888.84

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Solution

The fourth proportional to 12,070.44, 18,092.58 and 9,888.84 is: 14,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.44 : 18,092.58 = 9,888.84 : x
  2. Step 2: Convert to fraction form
    12,070.44/18,092.58 = 9,888.84/x
  3. Step 3: Cross multiply
    12,070.44x = 18,092.58 × 9,888.84
  4. Step 4: Simplify right side
    12,070.44x = 178,914,628.81
  5. Step 5: Solve for x
    x = 178,914,628.81/12,070.44
  6. Step 6: Final answer
    x = 14,822.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.