Home / 16,777.08-23,163.85-15,355.31

Finding the Fourth Proportional to 16,777.08, 23,163.85 and 15,355.31

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Solution

The fourth proportional to 16,777.08, 23,163.85 and 15,355.31 is: 21,200.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,777.08 : 23,163.85 = 15,355.31 : x
  2. Step 2: Convert to fraction form
    16,777.08/23,163.85 = 15,355.31/x
  3. Step 3: Cross multiply
    16,777.08x = 23,163.85 × 15,355.31
  4. Step 4: Simplify right side
    16,777.08x = 355,688,117.06
  5. Step 5: Solve for x
    x = 355,688,117.06/16,777.08
  6. Step 6: Final answer
    x = 21,200.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.