Home / 16,420.20-24,630.03-11,142.08

Finding the Fourth Proportional to 16,420.20, 24,630.03 and 11,142.08

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Solution

The fourth proportional to 16,420.20, 24,630.03 and 11,142.08 is: 16,712.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,420.20 : 24,630.03 = 11,142.08 : x
  2. Step 2: Convert to fraction form
    16,420.20/24,630.03 = 11,142.08/x
  3. Step 3: Cross multiply
    16,420.20x = 24,630.03 × 11,142.08
  4. Step 4: Simplify right side
    16,420.20x = 274,429,826.24
  5. Step 5: Solve for x
    x = 274,429,826.24/16,420.20
  6. Step 6: Final answer
    x = 16,712.94

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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.