Home / 16,885.80-25,330.14-4,407.48

Finding the Fourth Proportional to 16,885.80, 25,330.14 and 4,407.48

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Solution

The fourth proportional to 16,885.80, 25,330.14 and 4,407.48 is: 6,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.80 : 25,330.14 = 4,407.48 : x
  2. Step 2: Convert to fraction form
    16,885.80/25,330.14 = 4,407.48/x
  3. Step 3: Cross multiply
    16,885.80x = 25,330.14 × 4,407.48
  4. Step 4: Simplify right side
    16,885.80x = 111,642,085.45
  5. Step 5: Solve for x
    x = 111,642,085.45/16,885.80
  6. Step 6: Final answer
    x = 6,611.60

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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.