Home / 16,118.81-22,243.97-9,045.23

Finding the Fourth Proportional to 16,118.81, 22,243.97 and 9,045.23

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Solution

The fourth proportional to 16,118.81, 22,243.97 and 9,045.23 is: 12,482.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,118.81 : 22,243.97 = 9,045.23 : x
  2. Step 2: Convert to fraction form
    16,118.81/22,243.97 = 9,045.23/x
  3. Step 3: Cross multiply
    16,118.81x = 22,243.97 × 9,045.23
  4. Step 4: Simplify right side
    16,118.81x = 201,201,779.54
  5. Step 5: Solve for x
    x = 201,201,779.54/16,118.81
  6. Step 6: Final answer
    x = 12,482.42

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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.