Home / 16,302.40-24,453.60-3,990.40

Finding the Fourth Proportional to 16,302.40, 24,453.60 and 3,990.40

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Solution

The fourth proportional to 16,302.40, 24,453.60 and 3,990.40 is: 5,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,302.40 : 24,453.60 = 3,990.40 : x
  2. Step 2: Convert to fraction form
    16,302.40/24,453.60 = 3,990.40/x
  3. Step 3: Cross multiply
    16,302.40x = 24,453.60 × 3,990.40
  4. Step 4: Simplify right side
    16,302.40x = 97,579,645.44
  5. Step 5: Solve for x
    x = 97,579,645.44/16,302.40
  6. Step 6: Final answer
    x = 5,985.60

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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.