Home / 16,080.64-24,120.96-4,393.60

Finding the Fourth Proportional to 16,080.64, 24,120.96 and 4,393.60

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Solution

The fourth proportional to 16,080.64, 24,120.96 and 4,393.60 is: 6,590.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,080.64 : 24,120.96 = 4,393.60 : x
  2. Step 2: Convert to fraction form
    16,080.64/24,120.96 = 4,393.60/x
  3. Step 3: Cross multiply
    16,080.64x = 24,120.96 × 4,393.60
  4. Step 4: Simplify right side
    16,080.64x = 105,977,849.86
  5. Step 5: Solve for x
    x = 105,977,849.86/16,080.64
  6. Step 6: Final answer
    x = 6,590.40

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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.