Home / 14,939.43-20,622.79-10,635.30

Finding the Fourth Proportional to 14,939.43, 20,622.79 and 10,635.30

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Solution

The fourth proportional to 14,939.43, 20,622.79 and 10,635.30 is: 14,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939.43 : 20,622.79 = 10,635.30 : x
  2. Step 2: Convert to fraction form
    14,939.43/20,622.79 = 10,635.30/x
  3. Step 3: Cross multiply
    14,939.43x = 20,622.79 × 10,635.30
  4. Step 4: Simplify right side
    14,939.43x = 219,329,558.49
  5. Step 5: Solve for x
    x = 219,329,558.49/14,939.43
  6. Step 6: Final answer
    x = 14,681.25

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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.