Home / 16,403.32-24,608.55-5,311.12

Finding the Fourth Proportional to 16,403.32, 24,608.55 and 5,311.12

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Solution

The fourth proportional to 16,403.32, 24,608.55 and 5,311.12 is: 7,967.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,403.32 : 24,608.55 = 5,311.12 : x
  2. Step 2: Convert to fraction form
    16,403.32/24,608.55 = 5,311.12/x
  3. Step 3: Cross multiply
    16,403.32x = 24,608.55 × 5,311.12
  4. Step 4: Simplify right side
    16,403.32x = 130,698,962.08
  5. Step 5: Solve for x
    x = 130,698,962.08/16,403.32
  6. Step 6: Final answer
    x = 7,967.84

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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.