Home / 16,455.40-24,690.30-7,685.80

Finding the Fourth Proportional to 16,455.40, 24,690.30 and 7,685.80

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Solution

The fourth proportional to 16,455.40, 24,690.30 and 7,685.80 is: 11,532.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,455.40 : 24,690.30 = 7,685.80 : x
  2. Step 2: Convert to fraction form
    16,455.40/24,690.30 = 7,685.80/x
  3. Step 3: Cross multiply
    16,455.40x = 24,690.30 × 7,685.80
  4. Step 4: Simplify right side
    16,455.40x = 189,764,707.74
  5. Step 5: Solve for x
    x = 189,764,707.74/16,455.40
  6. Step 6: Final answer
    x = 11,532.06

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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.