Home / 12,709.33-17,545.07-8,462.90

Finding the Fourth Proportional to 12,709.33, 17,545.07 and 8,462.90

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Solution

The fourth proportional to 12,709.33, 17,545.07 and 8,462.90 is: 11,682.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709.33 : 17,545.07 = 8,462.90 : x
  2. Step 2: Convert to fraction form
    12,709.33/17,545.07 = 8,462.90/x
  3. Step 3: Cross multiply
    12,709.33x = 17,545.07 × 8,462.90
  4. Step 4: Simplify right side
    12,709.33x = 148,482,172.90
  5. Step 5: Solve for x
    x = 148,482,172.90/12,709.33
  6. Step 6: Final answer
    x = 11,682.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.