Home / 14,220.56-19,624.38-7,932.94

Finding the Fourth Proportional to 14,220.56, 19,624.38 and 7,932.94

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Solution

The fourth proportional to 14,220.56, 19,624.38 and 7,932.94 is: 10,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.56 : 19,624.38 = 7,932.94 : x
  2. Step 2: Convert to fraction form
    14,220.56/19,624.38 = 7,932.94/x
  3. Step 3: Cross multiply
    14,220.56x = 19,624.38 × 7,932.94
  4. Step 4: Simplify right side
    14,220.56x = 155,678,950.27
  5. Step 5: Solve for x
    x = 155,678,950.27/14,220.56
  6. Step 6: Final answer
    x = 10,947.45

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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.