Home / 19,429.94-26,810.94-10,930.34

Finding the Fourth Proportional to 19,429.94, 26,810.94 and 10,930.34

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Solution

The fourth proportional to 19,429.94, 26,810.94 and 10,930.34 is: 15,082.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429.94 : 26,810.94 = 10,930.34 : x
  2. Step 2: Convert to fraction form
    19,429.94/26,810.94 = 10,930.34/x
  3. Step 3: Cross multiply
    19,429.94x = 26,810.94 × 10,930.34
  4. Step 4: Simplify right side
    19,429.94x = 293,052,689.92
  5. Step 5: Solve for x
    x = 293,052,689.92/19,429.94
  6. Step 6: Final answer
    x = 15,082.53

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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.