Home / 13,584.18-18,746.94-7,617.76

Finding the Fourth Proportional to 13,584.18, 18,746.94 and 7,617.76

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Solution

The fourth proportional to 13,584.18, 18,746.94 and 7,617.76 is: 10,512.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.18 : 18,746.94 = 7,617.76 : x
  2. Step 2: Convert to fraction form
    13,584.18/18,746.94 = 7,617.76/x
  3. Step 3: Cross multiply
    13,584.18x = 18,746.94 × 7,617.76
  4. Step 4: Simplify right side
    13,584.18x = 142,809,689.65
  5. Step 5: Solve for x
    x = 142,809,689.65/13,584.18
  6. Step 6: Final answer
    x = 10,512.94

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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.