Home / 16,280.21-24,311.56-13,915.51

Finding the Fourth Proportional to 16,280.21, 24,311.56 and 13,915.51

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Solution

The fourth proportional to 16,280.21, 24,311.56 and 13,915.51 is: 20,780.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,280.21 : 24,311.56 = 13,915.51 : x
  2. Step 2: Convert to fraction form
    16,280.21/24,311.56 = 13,915.51/x
  3. Step 3: Cross multiply
    16,280.21x = 24,311.56 × 13,915.51
  4. Step 4: Simplify right side
    16,280.21x = 338,307,882.28
  5. Step 5: Solve for x
    x = 338,307,882.28/16,280.21
  6. Step 6: Final answer
    x = 20,780.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.