Home / 10,477.58-15,717.11-3,903.75

Finding the Fourth Proportional to 10,477.58, 15,717.11 and 3,903.75

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Solution

The fourth proportional to 10,477.58, 15,717.11 and 3,903.75 is: 5,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,477.58 : 15,717.11 = 3,903.75 : x
  2. Step 2: Convert to fraction form
    10,477.58/15,717.11 = 3,903.75/x
  3. Step 3: Cross multiply
    10,477.58x = 15,717.11 × 3,903.75
  4. Step 4: Simplify right side
    10,477.58x = 61,355,648.64
  5. Step 5: Solve for x
    x = 61,355,648.64/10,477.58
  6. Step 6: Final answer
    x = 5,855.90

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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.