Home / 19,311.48-26,653.30-14,021.69

Finding the Fourth Proportional to 19,311.48, 26,653.30 and 14,021.69

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Solution

The fourth proportional to 19,311.48, 26,653.30 and 14,021.69 is: 19,352.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311.48 : 26,653.30 = 14,021.69 : x
  2. Step 2: Convert to fraction form
    19,311.48/26,653.30 = 14,021.69/x
  3. Step 3: Cross multiply
    19,311.48x = 26,653.30 × 14,021.69
  4. Step 4: Simplify right side
    19,311.48x = 373,724,141.76
  5. Step 5: Solve for x
    x = 373,724,141.76/19,311.48
  6. Step 6: Final answer
    x = 19,352.43

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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.