Home / 14,606.28-20,155.06-10,631.88

Finding the Fourth Proportional to 14,606.28, 20,155.06 and 10,631.88

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Solution

The fourth proportional to 14,606.28, 20,155.06 and 10,631.88 is: 14,670.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,606.28 : 20,155.06 = 10,631.88 : x
  2. Step 2: Convert to fraction form
    14,606.28/20,155.06 = 10,631.88/x
  3. Step 3: Cross multiply
    14,606.28x = 20,155.06 × 10,631.88
  4. Step 4: Simplify right side
    14,606.28x = 214,286,179.31
  5. Step 5: Solve for x
    x = 214,286,179.31/14,606.28
  6. Step 6: Final answer
    x = 14,670.83

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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.