Home / 13,453.83-18,567.93-8,148.63

Finding the Fourth Proportional to 13,453.83, 18,567.93 and 8,148.63

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Solution

The fourth proportional to 13,453.83, 18,567.93 and 8,148.63 is: 11,246.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.83 : 18,567.93 = 8,148.63 : x
  2. Step 2: Convert to fraction form
    13,453.83/18,567.93 = 8,148.63/x
  3. Step 3: Cross multiply
    13,453.83x = 18,567.93 × 8,148.63
  4. Step 4: Simplify right side
    13,453.83x = 151,303,291.62
  5. Step 5: Solve for x
    x = 151,303,291.62/13,453.83
  6. Step 6: Final answer
    x = 11,246.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.