Home / 13,907.84-20,864.44-4,545.33

Finding the Fourth Proportional to 13,907.84, 20,864.44 and 4,545.33

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Solution

The fourth proportional to 13,907.84, 20,864.44 and 4,545.33 is: 6,818.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907.84 : 20,864.44 = 4,545.33 : x
  2. Step 2: Convert to fraction form
    13,907.84/20,864.44 = 4,545.33/x
  3. Step 3: Cross multiply
    13,907.84x = 20,864.44 × 4,545.33
  4. Step 4: Simplify right side
    13,907.84x = 94,835,666.94
  5. Step 5: Solve for x
    x = 94,835,666.94/13,907.84
  6. Step 6: Final answer
    x = 6,818.87

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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.