Home / 19,770.90-29,653.02-8,674.60

Finding the Fourth Proportional to 19,770.90, 29,653.02 and 8,674.60

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Solution

The fourth proportional to 19,770.90, 29,653.02 and 8,674.60 is: 13,010.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,770.90 : 29,653.02 = 8,674.60 : x
  2. Step 2: Convert to fraction form
    19,770.90/29,653.02 = 8,674.60/x
  3. Step 3: Cross multiply
    19,770.90x = 29,653.02 × 8,674.60
  4. Step 4: Simplify right side
    19,770.90x = 257,228,087.29
  5. Step 5: Solve for x
    x = 257,228,087.29/19,770.90
  6. Step 6: Final answer
    x = 13,010.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.