Home / 19,276.02-28,942.65-11,859.12

Finding the Fourth Proportional to 19,276.02, 28,942.65 and 11,859.12

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Solution

The fourth proportional to 19,276.02, 28,942.65 and 11,859.12 is: 17,806.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.02 : 28,942.65 = 11,859.12 : x
  2. Step 2: Convert to fraction form
    19,276.02/28,942.65 = 11,859.12/x
  3. Step 3: Cross multiply
    19,276.02x = 28,942.65 × 11,859.12
  4. Step 4: Simplify right side
    19,276.02x = 343,234,359.47
  5. Step 5: Solve for x
    x = 343,234,359.47/19,276.02
  6. Step 6: Final answer
    x = 17,806.29

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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.