Home / 14,368.70-21,556.64-11,418.30

Finding the Fourth Proportional to 14,368.70, 21,556.64 and 11,418.30

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Solution

The fourth proportional to 14,368.70, 21,556.64 and 11,418.30 is: 17,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,368.70 : 21,556.64 = 11,418.30 : x
  2. Step 2: Convert to fraction form
    14,368.70/21,556.64 = 11,418.30/x
  3. Step 3: Cross multiply
    14,368.70x = 21,556.64 × 11,418.30
  4. Step 4: Simplify right side
    14,368.70x = 246,140,318.06
  5. Step 5: Solve for x
    x = 246,140,318.06/14,368.70
  6. Step 6: Final answer
    x = 17,130.31

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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.