Home / 13,283.90-19,924.18-3,923.74

Finding the Fourth Proportional to 13,283.90, 19,924.18 and 3,923.74

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Solution

The fourth proportional to 13,283.90, 19,924.18 and 3,923.74 is: 5,885.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.90 : 19,924.18 = 3,923.74 : x
  2. Step 2: Convert to fraction form
    13,283.90/19,924.18 = 3,923.74/x
  3. Step 3: Cross multiply
    13,283.90x = 19,924.18 × 3,923.74
  4. Step 4: Simplify right side
    13,283.90x = 78,177,317.13
  5. Step 5: Solve for x
    x = 78,177,317.13/13,283.90
  6. Step 6: Final answer
    x = 5,885.12

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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.