Home / 16,302.50-24,378.99-12,145.34

Finding the Fourth Proportional to 16,302.50, 24,378.99 and 12,145.34

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Solution

The fourth proportional to 16,302.50, 24,378.99 and 12,145.34 is: 18,162.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,302.50 : 24,378.99 = 12,145.34 : x
  2. Step 2: Convert to fraction form
    16,302.50/24,378.99 = 12,145.34/x
  3. Step 3: Cross multiply
    16,302.50x = 24,378.99 × 12,145.34
  4. Step 4: Simplify right side
    16,302.50x = 296,091,122.41
  5. Step 5: Solve for x
    x = 296,091,122.41/16,302.50
  6. Step 6: Final answer
    x = 18,162.31

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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.