Home / 16,129.45-24,200.30-9,117.37

Finding the Fourth Proportional to 16,129.45, 24,200.30 and 9,117.37

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Solution

The fourth proportional to 16,129.45, 24,200.30 and 9,117.37 is: 13,679.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129.45 : 24,200.30 = 9,117.37 : x
  2. Step 2: Convert to fraction form
    16,129.45/24,200.30 = 9,117.37/x
  3. Step 3: Cross multiply
    16,129.45x = 24,200.30 × 9,117.37
  4. Step 4: Simplify right side
    16,129.45x = 220,643,089.21
  5. Step 5: Solve for x
    x = 220,643,089.21/16,129.45
  6. Step 6: Final answer
    x = 13,679.52

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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.