Home / 16,485.47-24,727.42-5,390.70

Finding the Fourth Proportional to 16,485.47, 24,727.42 and 5,390.70

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Solution

The fourth proportional to 16,485.47, 24,727.42 and 5,390.70 is: 8,085.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,485.47 : 24,727.42 = 5,390.70 : x
  2. Step 2: Convert to fraction form
    16,485.47/24,727.42 = 5,390.70/x
  3. Step 3: Cross multiply
    16,485.47x = 24,727.42 × 5,390.70
  4. Step 4: Simplify right side
    16,485.47x = 133,298,102.99
  5. Step 5: Solve for x
    x = 133,298,102.99/16,485.47
  6. Step 6: Final answer
    x = 8,085.79

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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.