Home / 12,291.40-16,962.06-6,702.28

Finding the Fourth Proportional to 12,291.40, 16,962.06 and 6,702.28

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Solution

The fourth proportional to 12,291.40, 16,962.06 and 6,702.28 is: 9,249.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291.40 : 16,962.06 = 6,702.28 : x
  2. Step 2: Convert to fraction form
    12,291.40/16,962.06 = 6,702.28/x
  3. Step 3: Cross multiply
    12,291.40x = 16,962.06 × 6,702.28
  4. Step 4: Simplify right side
    12,291.40x = 113,684,475.50
  5. Step 5: Solve for x
    x = 113,684,475.50/12,291.40
  6. Step 6: Final answer
    x = 9,249.11

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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.