Home / 11,703.87-17,557.54-4,307.79

Finding the Fourth Proportional to 11,703.87, 17,557.54 and 4,307.79

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Solution

The fourth proportional to 11,703.87, 17,557.54 and 4,307.79 is: 6,462.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.87 : 17,557.54 = 4,307.79 : x
  2. Step 2: Convert to fraction form
    11,703.87/17,557.54 = 4,307.79/x
  3. Step 3: Cross multiply
    11,703.87x = 17,557.54 × 4,307.79
  4. Step 4: Simplify right side
    11,703.87x = 75,634,173.70
  5. Step 5: Solve for x
    x = 75,634,173.70/11,703.87
  6. Step 6: Final answer
    x = 6,462.32

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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.