Home / 16,675.40-25,015.90-4,989.80

Finding the Fourth Proportional to 16,675.40, 25,015.90 and 4,989.80

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Solution

The fourth proportional to 16,675.40, 25,015.90 and 4,989.80 is: 7,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,675.40 : 25,015.90 = 4,989.80 : x
  2. Step 2: Convert to fraction form
    16,675.40/25,015.90 = 4,989.80/x
  3. Step 3: Cross multiply
    16,675.40x = 25,015.90 × 4,989.80
  4. Step 4: Simplify right side
    16,675.40x = 124,824,337.82
  5. Step 5: Solve for x
    x = 124,824,337.82/16,675.40
  6. Step 6: Final answer
    x = 7,485.54

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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.