Home / 12,340.05-18,506.31-10,366.29

Finding the Fourth Proportional to 12,340.05, 18,506.31 and 10,366.29

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Solution

The fourth proportional to 12,340.05, 18,506.31 and 10,366.29 is: 15,546.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.05 : 18,506.31 = 10,366.29 : x
  2. Step 2: Convert to fraction form
    12,340.05/18,506.31 = 10,366.29/x
  3. Step 3: Cross multiply
    12,340.05x = 18,506.31 × 10,366.29
  4. Step 4: Simplify right side
    12,340.05x = 191,841,776.29
  5. Step 5: Solve for x
    x = 191,841,776.29/12,340.05
  6. Step 6: Final answer
    x = 15,546.27

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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.