Home / 20,304.02-28,015.93-11,351.59

Finding the Fourth Proportional to 20,304.02, 28,015.93 and 11,351.59

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Solution

The fourth proportional to 20,304.02, 28,015.93 and 11,351.59 is: 15,663.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,304.02 : 28,015.93 = 11,351.59 : x
  2. Step 2: Convert to fraction form
    20,304.02/28,015.93 = 11,351.59/x
  3. Step 3: Cross multiply
    20,304.02x = 28,015.93 × 11,351.59
  4. Step 4: Simplify right side
    20,304.02x = 318,025,388.72
  5. Step 5: Solve for x
    x = 318,025,388.72/20,304.02
  6. Step 6: Final answer
    x = 15,663.18

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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.