Home / 13,167.90-19,751.81-4,402.80

Finding the Fourth Proportional to 13,167.90, 19,751.81 and 4,402.80

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Solution

The fourth proportional to 13,167.90, 19,751.81 and 4,402.80 is: 6,604.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167.90 : 19,751.81 = 4,402.80 : x
  2. Step 2: Convert to fraction form
    13,167.90/19,751.81 = 4,402.80/x
  3. Step 3: Cross multiply
    13,167.90x = 19,751.81 × 4,402.80
  4. Step 4: Simplify right side
    13,167.90x = 86,963,247.05
  5. Step 5: Solve for x
    x = 86,963,247.05/13,167.90
  6. Step 6: Final answer
    x = 6,604.18

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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.