Home / 9,123.39-13,676.31-3,574.89

Finding the Fourth Proportional to 9,123.39, 13,676.31 and 3,574.89

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Solution

The fourth proportional to 9,123.39, 13,676.31 and 3,574.89 is: 5,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,123.39 : 13,676.31 = 3,574.89 : x
  2. Step 2: Convert to fraction form
    9,123.39/13,676.31 = 3,574.89/x
  3. Step 3: Cross multiply
    9,123.39x = 13,676.31 × 3,574.89
  4. Step 4: Simplify right side
    9,123.39x = 48,891,303.86
  5. Step 5: Solve for x
    x = 48,891,303.86/9,123.39
  6. Step 6: Final answer
    x = 5,358.90

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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.