Home / 14,226.89-21,387.08-13,199.31

Finding the Fourth Proportional to 14,226.89, 21,387.08 and 13,199.31

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Solution

The fourth proportional to 14,226.89, 21,387.08 and 13,199.31 is: 19,842.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.89 : 21,387.08 = 13,199.31 : x
  2. Step 2: Convert to fraction form
    14,226.89/21,387.08 = 13,199.31/x
  3. Step 3: Cross multiply
    14,226.89x = 21,387.08 × 13,199.31
  4. Step 4: Simplify right side
    14,226.89x = 282,294,632.92
  5. Step 5: Solve for x
    x = 282,294,632.92/14,226.89
  6. Step 6: Final answer
    x = 19,842.33

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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.