Home / 19,369.75-29,055.03-5,518.75

Finding the Fourth Proportional to 19,369.75, 29,055.03 and 5,518.75

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Solution

The fourth proportional to 19,369.75, 29,055.03 and 5,518.75 is: 8,278.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.75 : 29,055.03 = 5,518.75 : x
  2. Step 2: Convert to fraction form
    19,369.75/29,055.03 = 5,518.75/x
  3. Step 3: Cross multiply
    19,369.75x = 29,055.03 × 5,518.75
  4. Step 4: Simplify right side
    19,369.75x = 160,347,446.81
  5. Step 5: Solve for x
    x = 160,347,446.81/19,369.75
  6. Step 6: Final answer
    x = 8,278.24

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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.