Home / 12,160.04-16,780.86-6,571.04

Finding the Fourth Proportional to 12,160.04, 16,780.86 and 6,571.04

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Solution

The fourth proportional to 12,160.04, 16,780.86 and 6,571.04 is: 9,068.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160.04 : 16,780.86 = 6,571.04 : x
  2. Step 2: Convert to fraction form
    12,160.04/16,780.86 = 6,571.04/x
  3. Step 3: Cross multiply
    12,160.04x = 16,780.86 × 6,571.04
  4. Step 4: Simplify right side
    12,160.04x = 110,267,618.39
  5. Step 5: Solve for x
    x = 110,267,618.39/12,160.04
  6. Step 6: Final answer
    x = 9,068.03

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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.