Home / 14,823.76-20,447.88-9,787.99

Finding the Fourth Proportional to 14,823.76, 20,447.88 and 9,787.99

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Solution

The fourth proportional to 14,823.76, 20,447.88 and 9,787.99 is: 13,501.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,823.76 : 20,447.88 = 9,787.99 : x
  2. Step 2: Convert to fraction form
    14,823.76/20,447.88 = 9,787.99/x
  3. Step 3: Cross multiply
    14,823.76x = 20,447.88 × 9,787.99
  4. Step 4: Simplify right side
    14,823.76x = 200,143,644.96
  5. Step 5: Solve for x
    x = 200,143,644.96/14,823.76
  6. Step 6: Final answer
    x = 13,501.54

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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.