Home / 12,666.27-19,003.24-6,742.14

Finding the Fourth Proportional to 12,666.27, 19,003.24 and 6,742.14

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Solution

The fourth proportional to 12,666.27, 19,003.24 and 6,742.14 is: 10,115.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,666.27 : 19,003.24 = 6,742.14 : x
  2. Step 2: Convert to fraction form
    12,666.27/19,003.24 = 6,742.14/x
  3. Step 3: Cross multiply
    12,666.27x = 19,003.24 × 6,742.14
  4. Step 4: Simplify right side
    12,666.27x = 128,122,598.16
  5. Step 5: Solve for x
    x = 128,122,598.16/12,666.27
  6. Step 6: Final answer
    x = 10,115.26

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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.