Home / 16,820.28-25,235.28-6,957.72

Finding the Fourth Proportional to 16,820.28, 25,235.28 and 6,957.72

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Solution

The fourth proportional to 16,820.28, 25,235.28 and 6,957.72 is: 10,438.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.28 : 25,235.28 = 6,957.72 : x
  2. Step 2: Convert to fraction form
    16,820.28/25,235.28 = 6,957.72/x
  3. Step 3: Cross multiply
    16,820.28x = 25,235.28 × 6,957.72
  4. Step 4: Simplify right side
    16,820.28x = 175,580,012.36
  5. Step 5: Solve for x
    x = 175,580,012.36/16,820.28
  6. Step 6: Final answer
    x = 10,438.59

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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.