Home / 12,081.04-16,674.60-7,115.92

Finding the Fourth Proportional to 12,081.04, 16,674.60 and 7,115.92

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Solution

The fourth proportional to 12,081.04, 16,674.60 and 7,115.92 is: 9,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081.04 : 16,674.60 = 7,115.92 : x
  2. Step 2: Convert to fraction form
    12,081.04/16,674.60 = 7,115.92/x
  3. Step 3: Cross multiply
    12,081.04x = 16,674.60 × 7,115.92
  4. Step 4: Simplify right side
    12,081.04x = 118,655,119.63
  5. Step 5: Solve for x
    x = 118,655,119.63/12,081.04
  6. Step 6: Final answer
    x = 9,821.60

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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.