Home / 18,276.09-25,221.47-11,206.41

Finding the Fourth Proportional to 18,276.09, 25,221.47 and 11,206.41

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Solution

The fourth proportional to 18,276.09, 25,221.47 and 11,206.41 is: 15,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.09 : 25,221.47 = 11,206.41 : x
  2. Step 2: Convert to fraction form
    18,276.09/25,221.47 = 11,206.41/x
  3. Step 3: Cross multiply
    18,276.09x = 25,221.47 × 11,206.41
  4. Step 4: Simplify right side
    18,276.09x = 282,642,133.62
  5. Step 5: Solve for x
    x = 282,642,133.62/18,276.09
  6. Step 6: Final answer
    x = 15,465.13

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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.