Home / 14,381.56-19,845.21-10,606.78

Finding the Fourth Proportional to 14,381.56, 19,845.21 and 10,606.78

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Solution

The fourth proportional to 14,381.56, 19,845.21 and 10,606.78 is: 14,636.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.56 : 19,845.21 = 10,606.78 : x
  2. Step 2: Convert to fraction form
    14,381.56/19,845.21 = 10,606.78/x
  3. Step 3: Cross multiply
    14,381.56x = 19,845.21 × 10,606.78
  4. Step 4: Simplify right side
    14,381.56x = 210,493,776.52
  5. Step 5: Solve for x
    x = 210,493,776.52/14,381.56
  6. Step 6: Final answer
    x = 14,636.37

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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.