Home / 9,148.12-13,709.88-6,671.36

Finding the Fourth Proportional to 9,148.12, 13,709.88 and 6,671.36

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Solution

The fourth proportional to 9,148.12, 13,709.88 and 6,671.36 is: 9,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.12 : 13,709.88 = 6,671.36 : x
  2. Step 2: Convert to fraction form
    9,148.12/13,709.88 = 6,671.36/x
  3. Step 3: Cross multiply
    9,148.12x = 13,709.88 × 6,671.36
  4. Step 4: Simplify right side
    9,148.12x = 91,463,545.04
  5. Step 5: Solve for x
    x = 91,463,545.04/9,148.12
  6. Step 6: Final answer
    x = 9,998.07

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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.