Home / 13,601.57-18,767.04-7,934.05

Finding the Fourth Proportional to 13,601.57, 18,767.04 and 7,934.05

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Solution

The fourth proportional to 13,601.57, 18,767.04 and 7,934.05 is: 10,947.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.57 : 18,767.04 = 7,934.05 : x
  2. Step 2: Convert to fraction form
    13,601.57/18,767.04 = 7,934.05/x
  3. Step 3: Cross multiply
    13,601.57x = 18,767.04 × 7,934.05
  4. Step 4: Simplify right side
    13,601.57x = 148,898,672.05
  5. Step 5: Solve for x
    x = 148,898,672.05/13,601.57
  6. Step 6: Final answer
    x = 10,947.17

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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.