Home / 14,677.32-21,986.24-11,720.77

Finding the Fourth Proportional to 14,677.32, 21,986.24 and 11,720.77

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Solution

The fourth proportional to 14,677.32, 21,986.24 and 11,720.77 is: 17,557.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,677.32 : 21,986.24 = 11,720.77 : x
  2. Step 2: Convert to fraction form
    14,677.32/21,986.24 = 11,720.77/x
  3. Step 3: Cross multiply
    14,677.32x = 21,986.24 × 11,720.77
  4. Step 4: Simplify right side
    14,677.32x = 257,695,662.20
  5. Step 5: Solve for x
    x = 257,695,662.20/14,677.32
  6. Step 6: Final answer
    x = 17,557.41

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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.