Home / 18,845.28-26,007.84-10,461.72

Finding the Fourth Proportional to 18,845.28, 26,007.84 and 10,461.72

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Solution

The fourth proportional to 18,845.28, 26,007.84 and 10,461.72 is: 14,437.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845.28 : 26,007.84 = 10,461.72 : x
  2. Step 2: Convert to fraction form
    18,845.28/26,007.84 = 10,461.72/x
  3. Step 3: Cross multiply
    18,845.28x = 26,007.84 × 10,461.72
  4. Step 4: Simplify right side
    18,845.28x = 272,086,739.88
  5. Step 5: Solve for x
    x = 272,086,739.88/18,845.28
  6. Step 6: Final answer
    x = 14,437.93

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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.