Home / 16,120.64-24,180.06-4,875.80

Finding the Fourth Proportional to 16,120.64, 24,180.06 and 4,875.80

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Solution

The fourth proportional to 16,120.64, 24,180.06 and 4,875.80 is: 7,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120.64 : 24,180.06 = 4,875.80 : x
  2. Step 2: Convert to fraction form
    16,120.64/24,180.06 = 4,875.80/x
  3. Step 3: Cross multiply
    16,120.64x = 24,180.06 × 4,875.80
  4. Step 4: Simplify right side
    16,120.64x = 117,897,136.55
  5. Step 5: Solve for x
    x = 117,897,136.55/16,120.64
  6. Step 6: Final answer
    x = 7,313.43

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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.