Home / 13,599.61-20,385.39-5,706.71

Finding the Fourth Proportional to 13,599.61, 20,385.39 and 5,706.71

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Solution

The fourth proportional to 13,599.61, 20,385.39 and 5,706.71 is: 8,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.61 : 20,385.39 = 5,706.71 : x
  2. Step 2: Convert to fraction form
    13,599.61/20,385.39 = 5,706.71/x
  3. Step 3: Cross multiply
    13,599.61x = 20,385.39 × 5,706.71
  4. Step 4: Simplify right side
    13,599.61x = 116,333,531.40
  5. Step 5: Solve for x
    x = 116,333,531.40/13,599.61
  6. Step 6: Final answer
    x = 8,554.18

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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.