Home / 12,927.39-19,390.01-5,134.11

Finding the Fourth Proportional to 12,927.39, 19,390.01 and 5,134.11

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Solution

The fourth proportional to 12,927.39, 19,390.01 and 5,134.11 is: 7,700.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.39 : 19,390.01 = 5,134.11 : x
  2. Step 2: Convert to fraction form
    12,927.39/19,390.01 = 5,134.11/x
  3. Step 3: Cross multiply
    12,927.39x = 19,390.01 × 5,134.11
  4. Step 4: Simplify right side
    12,927.39x = 99,550,418.57
  5. Step 5: Solve for x
    x = 99,550,418.57/12,927.39
  6. Step 6: Final answer
    x = 7,700.74

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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.