Home / 16,622.80-22,939.12-9,069.14

Finding the Fourth Proportional to 16,622.80, 22,939.12 and 9,069.14

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Solution

The fourth proportional to 16,622.80, 22,939.12 and 9,069.14 is: 12,515.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,622.80 : 22,939.12 = 9,069.14 : x
  2. Step 2: Convert to fraction form
    16,622.80/22,939.12 = 9,069.14/x
  3. Step 3: Cross multiply
    16,622.80x = 22,939.12 × 9,069.14
  4. Step 4: Simplify right side
    16,622.80x = 208,038,090.76
  5. Step 5: Solve for x
    x = 208,038,090.76/16,622.80
  6. Step 6: Final answer
    x = 12,515.23

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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.