Home / 10,274.28-14,149.80-10,245.12

Finding the Fourth Proportional to 10,274.28, 14,149.80 and 10,245.12

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Solution

The fourth proportional to 10,274.28, 14,149.80 and 10,245.12 is: 14,109.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274.28 : 14,149.80 = 10,245.12 : x
  2. Step 2: Convert to fraction form
    10,274.28/14,149.80 = 10,245.12/x
  3. Step 3: Cross multiply
    10,274.28x = 14,149.80 × 10,245.12
  4. Step 4: Simplify right side
    10,274.28x = 144,966,398.98
  5. Step 5: Solve for x
    x = 144,966,398.98/10,274.28
  6. Step 6: Final answer
    x = 14,109.64

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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.