Home / 14,178.28-19,555.86-10,402.60

Finding the Fourth Proportional to 14,178.28, 19,555.86 and 10,402.60

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Solution

The fourth proportional to 14,178.28, 19,555.86 and 10,402.60 is: 14,348.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.28 : 19,555.86 = 10,402.60 : x
  2. Step 2: Convert to fraction form
    14,178.28/19,555.86 = 10,402.60/x
  3. Step 3: Cross multiply
    14,178.28x = 19,555.86 × 10,402.60
  4. Step 4: Simplify right side
    14,178.28x = 203,431,789.24
  5. Step 5: Solve for x
    x = 203,431,789.24/14,178.28
  6. Step 6: Final answer
    x = 14,348.13

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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.