Home / 13,323-19,986.90-4,555.80

Finding the Fourth Proportional to 13,323, 19,986.90 and 4,555.80

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Solution

The fourth proportional to 13,323, 19,986.90 and 4,555.80 is: 6,834.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323 : 19,986.90 = 4,555.80 : x
  2. Step 2: Convert to fraction form
    13,323/19,986.90 = 4,555.80/x
  3. Step 3: Cross multiply
    13,323x = 19,986.90 × 4,555.80
  4. Step 4: Simplify right side
    13,323x = 91,056,319.02
  5. Step 5: Solve for x
    x = 91,056,319.02/13,323
  6. Step 6: Final answer
    x = 6,834.52

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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.