Home / 14,525.40-21,744.04-13,139.32

Finding the Fourth Proportional to 14,525.40, 21,744.04 and 13,139.32

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Solution

The fourth proportional to 14,525.40, 21,744.04 and 13,139.32 is: 19,669.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,525.40 : 21,744.04 = 13,139.32 : x
  2. Step 2: Convert to fraction form
    14,525.40/21,744.04 = 13,139.32/x
  3. Step 3: Cross multiply
    14,525.40x = 21,744.04 × 13,139.32
  4. Step 4: Simplify right side
    14,525.40x = 285,701,899.65
  5. Step 5: Solve for x
    x = 285,701,899.65/14,525.40
  6. Step 6: Final answer
    x = 19,669.12

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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.