Home / 13,330.76-19,990.44-4,566.56

Finding the Fourth Proportional to 13,330.76, 19,990.44 and 4,566.56

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Solution

The fourth proportional to 13,330.76, 19,990.44 and 4,566.56 is: 6,847.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.76 : 19,990.44 = 4,566.56 : x
  2. Step 2: Convert to fraction form
    13,330.76/19,990.44 = 4,566.56/x
  3. Step 3: Cross multiply
    13,330.76x = 19,990.44 × 4,566.56
  4. Step 4: Simplify right side
    13,330.76x = 91,287,543.69
  5. Step 5: Solve for x
    x = 91,287,543.69/13,330.76
  6. Step 6: Final answer
    x = 6,847.89

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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.