Home / 16,322.80-24,455.40-13,385.20

Finding the Fourth Proportional to 16,322.80, 24,455.40 and 13,385.20

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Solution

The fourth proportional to 16,322.80, 24,455.40 and 13,385.20 is: 20,054.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,322.80 : 24,455.40 = 13,385.20 : x
  2. Step 2: Convert to fraction form
    16,322.80/24,455.40 = 13,385.20/x
  3. Step 3: Cross multiply
    16,322.80x = 24,455.40 × 13,385.20
  4. Step 4: Simplify right side
    16,322.80x = 327,340,420.08
  5. Step 5: Solve for x
    x = 327,340,420.08/16,322.80
  6. Step 6: Final answer
    x = 20,054.18

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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.