Home / 11,383.40-17,075.10-7,446.80

Finding the Fourth Proportional to 11,383.40, 17,075.10 and 7,446.80

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Solution

The fourth proportional to 11,383.40, 17,075.10 and 7,446.80 is: 11,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,383.40 : 17,075.10 = 7,446.80 : x
  2. Step 2: Convert to fraction form
    11,383.40/17,075.10 = 7,446.80/x
  3. Step 3: Cross multiply
    11,383.40x = 17,075.10 × 7,446.80
  4. Step 4: Simplify right side
    11,383.40x = 127,154,854.68
  5. Step 5: Solve for x
    x = 127,154,854.68/11,383.40
  6. Step 6: Final answer
    x = 11,170.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.