Home / 17,405.12-26,074.80-13,490.36

Finding the Fourth Proportional to 17,405.12, 26,074.80 and 13,490.36

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Solution

The fourth proportional to 17,405.12, 26,074.80 and 13,490.36 is: 20,210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,405.12 : 26,074.80 = 13,490.36 : x
  2. Step 2: Convert to fraction form
    17,405.12/26,074.80 = 13,490.36/x
  3. Step 3: Cross multiply
    17,405.12x = 26,074.80 × 13,490.36
  4. Step 4: Simplify right side
    17,405.12x = 351,758,438.93
  5. Step 5: Solve for x
    x = 351,758,438.93/17,405.12
  6. Step 6: Final answer
    x = 20,210.06

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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.