Home / 12,240.60-16,895.10-6,938.58

Finding the Fourth Proportional to 12,240.60, 16,895.10 and 6,938.58

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Solution

The fourth proportional to 12,240.60, 16,895.10 and 6,938.58 is: 9,576.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.60 : 16,895.10 = 6,938.58 : x
  2. Step 2: Convert to fraction form
    12,240.60/16,895.10 = 6,938.58/x
  3. Step 3: Cross multiply
    12,240.60x = 16,895.10 × 6,938.58
  4. Step 4: Simplify right side
    12,240.60x = 117,228,002.96
  5. Step 5: Solve for x
    x = 117,228,002.96/12,240.60
  6. Step 6: Final answer
    x = 9,576.98

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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.