Home / 13,646.23-18,829.16-8,617.35

Finding the Fourth Proportional to 13,646.23, 18,829.16 and 8,617.35

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Solution

The fourth proportional to 13,646.23, 18,829.16 and 8,617.35 is: 11,890.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646.23 : 18,829.16 = 8,617.35 : x
  2. Step 2: Convert to fraction form
    13,646.23/18,829.16 = 8,617.35/x
  3. Step 3: Cross multiply
    13,646.23x = 18,829.16 × 8,617.35
  4. Step 4: Simplify right side
    13,646.23x = 162,257,442.33
  5. Step 5: Solve for x
    x = 162,257,442.33/13,646.23
  6. Step 6: Final answer
    x = 11,890.27

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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.