Home / 16,639.40-24,960.30-5,240.35

Finding the Fourth Proportional to 16,639.40, 24,960.30 and 5,240.35

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Solution

The fourth proportional to 16,639.40, 24,960.30 and 5,240.35 is: 7,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,639.40 : 24,960.30 = 5,240.35 : x
  2. Step 2: Convert to fraction form
    16,639.40/24,960.30 = 5,240.35/x
  3. Step 3: Cross multiply
    16,639.40x = 24,960.30 × 5,240.35
  4. Step 4: Simplify right side
    16,639.40x = 130,800,708.11
  5. Step 5: Solve for x
    x = 130,800,708.11/16,639.40
  6. Step 6: Final answer
    x = 7,860.90

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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.