Home / 11,281.55-16,919.58-4,707.79

Finding the Fourth Proportional to 11,281.55, 16,919.58 and 4,707.79

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Solution

The fourth proportional to 11,281.55, 16,919.58 and 4,707.79 is: 7,060.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.55 : 16,919.58 = 4,707.79 : x
  2. Step 2: Convert to fraction form
    11,281.55/16,919.58 = 4,707.79/x
  3. Step 3: Cross multiply
    11,281.55x = 16,919.58 × 4,707.79
  4. Step 4: Simplify right side
    11,281.55x = 79,653,829.53
  5. Step 5: Solve for x
    x = 79,653,829.53/11,281.55
  6. Step 6: Final answer
    x = 7,060.54

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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.