Home / 21,807.14-30,093.76-12,245.69

Finding the Fourth Proportional to 21,807.14, 30,093.76 and 12,245.69

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Solution

The fourth proportional to 21,807.14, 30,093.76 and 12,245.69 is: 16,899.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,807.14 : 30,093.76 = 12,245.69 : x
  2. Step 2: Convert to fraction form
    21,807.14/30,093.76 = 12,245.69/x
  3. Step 3: Cross multiply
    21,807.14x = 30,093.76 × 12,245.69
  4. Step 4: Simplify right side
    21,807.14x = 368,518,946.44
  5. Step 5: Solve for x
    x = 368,518,946.44/21,807.14
  6. Step 6: Final answer
    x = 16,899.01

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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.