Home / 16,840.18-25,315.64-15,622.30

Finding the Fourth Proportional to 16,840.18, 25,315.64 and 15,622.30

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Solution

The fourth proportional to 16,840.18, 25,315.64 and 15,622.30 is: 23,484.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840.18 : 25,315.64 = 15,622.30 : x
  2. Step 2: Convert to fraction form
    16,840.18/25,315.64 = 15,622.30/x
  3. Step 3: Cross multiply
    16,840.18x = 25,315.64 × 15,622.30
  4. Step 4: Simplify right side
    16,840.18x = 395,488,534.89
  5. Step 5: Solve for x
    x = 395,488,534.89/16,840.18
  6. Step 6: Final answer
    x = 23,484.81

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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.