Home / 12,892.27-19,343.75-6,962.20

Finding the Fourth Proportional to 12,892.27, 19,343.75 and 6,962.20

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Solution

The fourth proportional to 12,892.27, 19,343.75 and 6,962.20 is: 10,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892.27 : 19,343.75 = 6,962.20 : x
  2. Step 2: Convert to fraction form
    12,892.27/19,343.75 = 6,962.20/x
  3. Step 3: Cross multiply
    12,892.27x = 19,343.75 × 6,962.20
  4. Step 4: Simplify right side
    12,892.27x = 134,674,988.85
  5. Step 5: Solve for x
    x = 134,674,988.85/12,892.27
  6. Step 6: Final answer
    x = 10,446.18

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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.