Home / 12,614.98-18,890.16-10,529.80

Finding the Fourth Proportional to 12,614.98, 18,890.16 and 10,529.80

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Solution

The fourth proportional to 12,614.98, 18,890.16 and 10,529.80 is: 15,767.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.98 : 18,890.16 = 10,529.80 : x
  2. Step 2: Convert to fraction form
    12,614.98/18,890.16 = 10,529.80/x
  3. Step 3: Cross multiply
    12,614.98x = 18,890.16 × 10,529.80
  4. Step 4: Simplify right side
    12,614.98x = 198,909,606.77
  5. Step 5: Solve for x
    x = 198,909,606.77/12,614.98
  6. Step 6: Final answer
    x = 15,767.73

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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.