Home / 16,885.45-25,328.19-4,405.47

Finding the Fourth Proportional to 16,885.45, 25,328.19 and 4,405.47

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Solution

The fourth proportional to 16,885.45, 25,328.19 and 4,405.47 is: 6,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.45 : 25,328.19 = 4,405.47 : x
  2. Step 2: Convert to fraction form
    16,885.45/25,328.19 = 4,405.47/x
  3. Step 3: Cross multiply
    16,885.45x = 25,328.19 × 4,405.47
  4. Step 4: Simplify right side
    16,885.45x = 111,582,502.74
  5. Step 5: Solve for x
    x = 111,582,502.74/16,885.45
  6. Step 6: Final answer
    x = 6,608.20

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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.