Home / 12,068.50-16,655.54-6,763.80

Finding the Fourth Proportional to 12,068.50, 16,655.54 and 6,763.80

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Solution

The fourth proportional to 12,068.50, 16,655.54 and 6,763.80 is: 9,334.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068.50 : 16,655.54 = 6,763.80 : x
  2. Step 2: Convert to fraction form
    12,068.50/16,655.54 = 6,763.80/x
  3. Step 3: Cross multiply
    12,068.50x = 16,655.54 × 6,763.80
  4. Step 4: Simplify right side
    12,068.50x = 112,654,741.45
  5. Step 5: Solve for x
    x = 112,654,741.45/12,068.50
  6. Step 6: Final answer
    x = 9,334.61

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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.