Home / 20,175.16-30,263.10-9,784.36

Finding the Fourth Proportional to 20,175.16, 30,263.10 and 9,784.36

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Solution

The fourth proportional to 20,175.16, 30,263.10 and 9,784.36 is: 14,676.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.16 : 30,263.10 = 9,784.36 : x
  2. Step 2: Convert to fraction form
    20,175.16/30,263.10 = 9,784.36/x
  3. Step 3: Cross multiply
    20,175.16x = 30,263.10 × 9,784.36
  4. Step 4: Simplify right side
    20,175.16x = 296,105,065.12
  5. Step 5: Solve for x
    x = 296,105,065.12/20,175.16
  6. Step 6: Final answer
    x = 14,676.71

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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.