Home / 8,354.28-12,516.84-7,450.32

Finding the Fourth Proportional to 8,354.28, 12,516.84 and 7,450.32

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Solution

The fourth proportional to 8,354.28, 12,516.84 and 7,450.32 is: 11,162.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.28 : 12,516.84 = 7,450.32 : x
  2. Step 2: Convert to fraction form
    8,354.28/12,516.84 = 7,450.32/x
  3. Step 3: Cross multiply
    8,354.28x = 12,516.84 × 7,450.32
  4. Step 4: Simplify right side
    8,354.28x = 93,254,463.39
  5. Step 5: Solve for x
    x = 93,254,463.39/8,354.28
  6. Step 6: Final answer
    x = 11,162.48

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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.