Home / 12,964.68-19,410.30-10,076.76

Finding the Fourth Proportional to 12,964.68, 19,410.30 and 10,076.76

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Solution

The fourth proportional to 12,964.68, 19,410.30 and 10,076.76 is: 15,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,964.68 : 19,410.30 = 10,076.76 : x
  2. Step 2: Convert to fraction form
    12,964.68/19,410.30 = 10,076.76/x
  3. Step 3: Cross multiply
    12,964.68x = 19,410.30 × 10,076.76
  4. Step 4: Simplify right side
    12,964.68x = 195,592,934.63
  5. Step 5: Solve for x
    x = 195,592,934.63/12,964.68
  6. Step 6: Final answer
    x = 15,086.60

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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.