Home / 13,437.63-20,158.47-4,076.46

Finding the Fourth Proportional to 13,437.63, 20,158.47 and 4,076.46

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Solution

The fourth proportional to 13,437.63, 20,158.47 and 4,076.46 is: 6,115.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.63 : 20,158.47 = 4,076.46 : x
  2. Step 2: Convert to fraction form
    13,437.63/20,158.47 = 4,076.46/x
  3. Step 3: Cross multiply
    13,437.63x = 20,158.47 × 4,076.46
  4. Step 4: Simplify right side
    13,437.63x = 82,175,196.62
  5. Step 5: Solve for x
    x = 82,175,196.62/13,437.63
  6. Step 6: Final answer
    x = 6,115.30

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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.