Home / 14,545.07-21,816.38-5,777.63

Finding the Fourth Proportional to 14,545.07, 21,816.38 and 5,777.63

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Solution

The fourth proportional to 14,545.07, 21,816.38 and 5,777.63 is: 8,665.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,545.07 : 21,816.38 = 5,777.63 : x
  2. Step 2: Convert to fraction form
    14,545.07/21,816.38 = 5,777.63/x
  3. Step 3: Cross multiply
    14,545.07x = 21,816.38 × 5,777.63
  4. Step 4: Simplify right side
    14,545.07x = 126,046,971.58
  5. Step 5: Solve for x
    x = 126,046,971.58/14,545.07
  6. Step 6: Final answer
    x = 8,665.96

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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.