Home / 12,211.02-16,853.40-7,497.90

Finding the Fourth Proportional to 12,211.02, 16,853.40 and 7,497.90

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Solution

The fourth proportional to 12,211.02, 16,853.40 and 7,497.90 is: 10,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211.02 : 16,853.40 = 7,497.90 : x
  2. Step 2: Convert to fraction form
    12,211.02/16,853.40 = 7,497.90/x
  3. Step 3: Cross multiply
    12,211.02x = 16,853.40 × 7,497.90
  4. Step 4: Simplify right side
    12,211.02x = 126,365,107.86
  5. Step 5: Solve for x
    x = 126,365,107.86/12,211.02
  6. Step 6: Final answer
    x = 10,348.45

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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.