Home / 13,545.42-20,313.08-4,658.23

Finding the Fourth Proportional to 13,545.42, 20,313.08 and 4,658.23

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Solution

The fourth proportional to 13,545.42, 20,313.08 and 4,658.23 is: 6,985.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545.42 : 20,313.08 = 4,658.23 : x
  2. Step 2: Convert to fraction form
    13,545.42/20,313.08 = 4,658.23/x
  3. Step 3: Cross multiply
    13,545.42x = 20,313.08 × 4,658.23
  4. Step 4: Simplify right side
    13,545.42x = 94,622,998.65
  5. Step 5: Solve for x
    x = 94,622,998.65/13,545.42
  6. Step 6: Final answer
    x = 6,985.61

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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.