Home / 18,643.09-25,727.41-10,259.59

Finding the Fourth Proportional to 18,643.09, 25,727.41 and 10,259.59

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Solution

The fourth proportional to 18,643.09, 25,727.41 and 10,259.59 is: 14,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,643.09 : 25,727.41 = 10,259.59 : x
  2. Step 2: Convert to fraction form
    18,643.09/25,727.41 = 10,259.59/x
  3. Step 3: Cross multiply
    18,643.09x = 25,727.41 × 10,259.59
  4. Step 4: Simplify right side
    18,643.09x = 263,952,678.36
  5. Step 5: Solve for x
    x = 263,952,678.36/18,643.09
  6. Step 6: Final answer
    x = 14,158.20

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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.