Home / 13,770.59-19,006.16-8,740.80

Finding the Fourth Proportional to 13,770.59, 19,006.16 and 8,740.80

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Solution

The fourth proportional to 13,770.59, 19,006.16 and 8,740.80 is: 12,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770.59 : 19,006.16 = 8,740.80 : x
  2. Step 2: Convert to fraction form
    13,770.59/19,006.16 = 8,740.80/x
  3. Step 3: Cross multiply
    13,770.59x = 19,006.16 × 8,740.80
  4. Step 4: Simplify right side
    13,770.59x = 166,128,999.62
  5. Step 5: Solve for x
    x = 166,128,999.62/13,770.59
  6. Step 6: Final answer
    x = 12,064.05

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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.