Home / 12,438.55-17,164.87-6,773.41

Finding the Fourth Proportional to 12,438.55, 17,164.87 and 6,773.41

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Solution

The fourth proportional to 12,438.55, 17,164.87 and 6,773.41 is: 9,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,438.55 : 17,164.87 = 6,773.41 : x
  2. Step 2: Convert to fraction form
    12,438.55/17,164.87 = 6,773.41/x
  3. Step 3: Cross multiply
    12,438.55x = 17,164.87 × 6,773.41
  4. Step 4: Simplify right side
    12,438.55x = 116,264,702.11
  5. Step 5: Solve for x
    x = 116,264,702.11/12,438.55
  6. Step 6: Final answer
    x = 9,347.13

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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.