Home / 13,483.26-20,210.31-8,555.22

Finding the Fourth Proportional to 13,483.26, 20,210.31 and 8,555.22

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Solution

The fourth proportional to 13,483.26, 20,210.31 and 8,555.22 is: 12,823.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.26 : 20,210.31 = 8,555.22 : x
  2. Step 2: Convert to fraction form
    13,483.26/20,210.31 = 8,555.22/x
  3. Step 3: Cross multiply
    13,483.26x = 20,210.31 × 8,555.22
  4. Step 4: Simplify right side
    13,483.26x = 172,903,648.32
  5. Step 5: Solve for x
    x = 172,903,648.32/13,483.26
  6. Step 6: Final answer
    x = 12,823.58

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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.