Home / 13,803.63-20,709.47-4,443.44

Finding the Fourth Proportional to 13,803.63, 20,709.47 and 4,443.44

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Solution

The fourth proportional to 13,803.63, 20,709.47 and 4,443.44 is: 6,666.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.63 : 20,709.47 = 4,443.44 : x
  2. Step 2: Convert to fraction form
    13,803.63/20,709.47 = 4,443.44/x
  3. Step 3: Cross multiply
    13,803.63x = 20,709.47 × 4,443.44
  4. Step 4: Simplify right side
    13,803.63x = 92,021,178.28
  5. Step 5: Solve for x
    x = 92,021,178.28/13,803.63
  6. Step 6: Final answer
    x = 6,666.45

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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.