Home / 19,623.94-27,089.30-13,259.16

Finding the Fourth Proportional to 19,623.94, 27,089.30 and 13,259.16

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Solution

The fourth proportional to 19,623.94, 27,089.30 and 13,259.16 is: 18,303.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.94 : 27,089.30 = 13,259.16 : x
  2. Step 2: Convert to fraction form
    19,623.94/27,089.30 = 13,259.16/x
  3. Step 3: Cross multiply
    19,623.94x = 27,089.30 × 13,259.16
  4. Step 4: Simplify right side
    19,623.94x = 359,181,396.14
  5. Step 5: Solve for x
    x = 359,181,396.14/19,623.94
  6. Step 6: Final answer
    x = 18,303.23

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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.