Home / 16,811.16-25,216.71-5,124.39

Finding the Fourth Proportional to 16,811.16, 25,216.71 and 5,124.39

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Solution

The fourth proportional to 16,811.16, 25,216.71 and 5,124.39 is: 7,686.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.16 : 25,216.71 = 5,124.39 : x
  2. Step 2: Convert to fraction form
    16,811.16/25,216.71 = 5,124.39/x
  3. Step 3: Cross multiply
    16,811.16x = 25,216.71 × 5,124.39
  4. Step 4: Simplify right side
    16,811.16x = 129,220,256.56
  5. Step 5: Solve for x
    x = 129,220,256.56/16,811.16
  6. Step 6: Final answer
    x = 7,686.58

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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.