Home / 19,205.42-28,810.58-7,517.12

Finding the Fourth Proportional to 19,205.42, 28,810.58 and 7,517.12

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Solution

The fourth proportional to 19,205.42, 28,810.58 and 7,517.12 is: 11,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.42 : 28,810.58 = 7,517.12 : x
  2. Step 2: Convert to fraction form
    19,205.42/28,810.58 = 7,517.12/x
  3. Step 3: Cross multiply
    19,205.42x = 28,810.58 × 7,517.12
  4. Step 4: Simplify right side
    19,205.42x = 216,572,405.49
  5. Step 5: Solve for x
    x = 216,572,405.49/19,205.42
  6. Step 6: Final answer
    x = 11,276.63

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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.