Home / 13,357.10-20,032.92-8,436.35

Finding the Fourth Proportional to 13,357.10, 20,032.92 and 8,436.35

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Solution

The fourth proportional to 13,357.10, 20,032.92 and 8,436.35 is: 12,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.10 : 20,032.92 = 8,436.35 : x
  2. Step 2: Convert to fraction form
    13,357.10/20,032.92 = 8,436.35/x
  3. Step 3: Cross multiply
    13,357.10x = 20,032.92 × 8,436.35
  4. Step 4: Simplify right side
    13,357.10x = 169,004,774.72
  5. Step 5: Solve for x
    x = 169,004,774.72/13,357.10
  6. Step 6: Final answer
    x = 12,652.80

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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.