Home / 13,746.98-20,622.88-4,389.04

Finding the Fourth Proportional to 13,746.98, 20,622.88 and 4,389.04

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Solution

The fourth proportional to 13,746.98, 20,622.88 and 4,389.04 is: 6,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.98 : 20,622.88 = 4,389.04 : x
  2. Step 2: Convert to fraction form
    13,746.98/20,622.88 = 4,389.04/x
  3. Step 3: Cross multiply
    13,746.98x = 20,622.88 × 4,389.04
  4. Step 4: Simplify right side
    13,746.98x = 90,514,645.24
  5. Step 5: Solve for x
    x = 90,514,645.24/13,746.98
  6. Step 6: Final answer
    x = 6,584.33

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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.