Home / 16,808.65-25,216.63-5,121.56

Finding the Fourth Proportional to 16,808.65, 25,216.63 and 5,121.56

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Solution

The fourth proportional to 16,808.65, 25,216.63 and 5,121.56 is: 7,683.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,808.65 : 25,216.63 = 5,121.56 : x
  2. Step 2: Convert to fraction form
    16,808.65/25,216.63 = 5,121.56/x
  3. Step 3: Cross multiply
    16,808.65x = 25,216.63 × 5,121.56
  4. Step 4: Simplify right side
    16,808.65x = 129,148,533.78
  5. Step 5: Solve for x
    x = 129,148,533.78/16,808.65
  6. Step 6: Final answer
    x = 7,683.46

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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.