Home / 14,373.86-21,579.01-13,783.37

Finding the Fourth Proportional to 14,373.86, 21,579.01 and 13,783.37

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Solution

The fourth proportional to 14,373.86, 21,579.01 and 13,783.37 is: 20,692.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373.86 : 21,579.01 = 13,783.37 : x
  2. Step 2: Convert to fraction form
    14,373.86/21,579.01 = 13,783.37/x
  3. Step 3: Cross multiply
    14,373.86x = 21,579.01 × 13,783.37
  4. Step 4: Simplify right side
    14,373.86x = 297,431,336.71
  5. Step 5: Solve for x
    x = 297,431,336.71/14,373.86
  6. Step 6: Final answer
    x = 20,692.52

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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.