Home / 21,336.63-29,444.50-11,777.11

Finding the Fourth Proportional to 21,336.63, 29,444.50 and 11,777.11

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Solution

The fourth proportional to 21,336.63, 29,444.50 and 11,777.11 is: 16,252.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,336.63 : 29,444.50 = 11,777.11 : x
  2. Step 2: Convert to fraction form
    21,336.63/29,444.50 = 11,777.11/x
  3. Step 3: Cross multiply
    21,336.63x = 29,444.50 × 11,777.11
  4. Step 4: Simplify right side
    21,336.63x = 346,771,115.40
  5. Step 5: Solve for x
    x = 346,771,115.40/21,336.63
  6. Step 6: Final answer
    x = 16,252.38

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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.