Home / 12,358.32-18,537.36-10,505.04

Finding the Fourth Proportional to 12,358.32, 18,537.36 and 10,505.04

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Solution

The fourth proportional to 12,358.32, 18,537.36 and 10,505.04 is: 15,757.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.32 : 18,537.36 = 10,505.04 : x
  2. Step 2: Convert to fraction form
    12,358.32/18,537.36 = 10,505.04/x
  3. Step 3: Cross multiply
    12,358.32x = 18,537.36 × 10,505.04
  4. Step 4: Simplify right side
    12,358.32x = 194,735,708.29
  5. Step 5: Solve for x
    x = 194,735,708.29/12,358.32
  6. Step 6: Final answer
    x = 15,757.46

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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.