Home / 19,369.09-26,722.77-12,299.59

Finding the Fourth Proportional to 19,369.09, 26,722.77 and 12,299.59

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Solution

The fourth proportional to 19,369.09, 26,722.77 and 12,299.59 is: 16,969.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.09 : 26,722.77 = 12,299.59 : x
  2. Step 2: Convert to fraction form
    19,369.09/26,722.77 = 12,299.59/x
  3. Step 3: Cross multiply
    19,369.09x = 26,722.77 × 12,299.59
  4. Step 4: Simplify right side
    19,369.09x = 328,679,114.66
  5. Step 5: Solve for x
    x = 328,679,114.66/19,369.09
  6. Step 6: Final answer
    x = 16,969.26

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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.