Home / 16,148.80-24,194.40-9,985.60

Finding the Fourth Proportional to 16,148.80, 24,194.40 and 9,985.60

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Solution

The fourth proportional to 16,148.80, 24,194.40 and 9,985.60 is: 14,960.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,148.80 : 24,194.40 = 9,985.60 : x
  2. Step 2: Convert to fraction form
    16,148.80/24,194.40 = 9,985.60/x
  3. Step 3: Cross multiply
    16,148.80x = 24,194.40 × 9,985.60
  4. Step 4: Simplify right side
    16,148.80x = 241,595,600.64
  5. Step 5: Solve for x
    x = 241,595,600.64/16,148.80
  6. Step 6: Final answer
    x = 14,960.59

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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.