Home / 14,589.54-20,112.57-10,390.50

Finding the Fourth Proportional to 14,589.54, 20,112.57 and 10,390.50

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Solution

The fourth proportional to 14,589.54, 20,112.57 and 10,390.50 is: 14,323.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,589.54 : 20,112.57 = 10,390.50 : x
  2. Step 2: Convert to fraction form
    14,589.54/20,112.57 = 10,390.50/x
  3. Step 3: Cross multiply
    14,589.54x = 20,112.57 × 10,390.50
  4. Step 4: Simplify right side
    14,589.54x = 208,979,658.59
  5. Step 5: Solve for x
    x = 208,979,658.59/14,589.54
  6. Step 6: Final answer
    x = 14,323.94

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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.