Home / 15,904.54-23,857.35-4,218.94

Finding the Fourth Proportional to 15,904.54, 23,857.35 and 4,218.94

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Solution

The fourth proportional to 15,904.54, 23,857.35 and 4,218.94 is: 6,328.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904.54 : 23,857.35 = 4,218.94 : x
  2. Step 2: Convert to fraction form
    15,904.54/23,857.35 = 4,218.94/x
  3. Step 3: Cross multiply
    15,904.54x = 23,857.35 × 4,218.94
  4. Step 4: Simplify right side
    15,904.54x = 100,652,728.21
  5. Step 5: Solve for x
    x = 100,652,728.21/15,904.54
  6. Step 6: Final answer
    x = 6,328.55

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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.