Home / 20,184.28-30,235.14-9,787.48

Finding the Fourth Proportional to 20,184.28, 30,235.14 and 9,787.48

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Solution

The fourth proportional to 20,184.28, 30,235.14 and 9,787.48 is: 14,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.28 : 30,235.14 = 9,787.48 : x
  2. Step 2: Convert to fraction form
    20,184.28/30,235.14 = 9,787.48/x
  3. Step 3: Cross multiply
    20,184.28x = 30,235.14 × 9,787.48
  4. Step 4: Simplify right side
    20,184.28x = 295,925,828.05
  5. Step 5: Solve for x
    x = 295,925,828.05/20,184.28
  6. Step 6: Final answer
    x = 14,661.20

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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.