Home / 16,679.40-25,011.72-4,990.44

Finding the Fourth Proportional to 16,679.40, 25,011.72 and 4,990.44

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Solution

The fourth proportional to 16,679.40, 25,011.72 and 4,990.44 is: 7,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.40 : 25,011.72 = 4,990.44 : x
  2. Step 2: Convert to fraction form
    16,679.40/25,011.72 = 4,990.44/x
  3. Step 3: Cross multiply
    16,679.40x = 25,011.72 × 4,990.44
  4. Step 4: Simplify right side
    16,679.40x = 124,819,487.96
  5. Step 5: Solve for x
    x = 124,819,487.96/16,679.40
  6. Step 6: Final answer
    x = 7,483.45

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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.