Home / 11,947.05-17,920.76-4,551.93

Finding the Fourth Proportional to 11,947.05, 17,920.76 and 4,551.93

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Solution

The fourth proportional to 11,947.05, 17,920.76 and 4,551.93 is: 6,827.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.05 : 17,920.76 = 4,551.93 : x
  2. Step 2: Convert to fraction form
    11,947.05/17,920.76 = 4,551.93/x
  3. Step 3: Cross multiply
    11,947.05x = 17,920.76 × 4,551.93
  4. Step 4: Simplify right side
    11,947.05x = 81,574,022.31
  5. Step 5: Solve for x
    x = 81,574,022.31/11,947.05
  6. Step 6: Final answer
    x = 6,827.96

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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.