Home / 13,706.39-20,532.18-6,300.70

Finding the Fourth Proportional to 13,706.39, 20,532.18 and 6,300.70

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Solution

The fourth proportional to 13,706.39, 20,532.18 and 6,300.70 is: 9,438.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706.39 : 20,532.18 = 6,300.70 : x
  2. Step 2: Convert to fraction form
    13,706.39/20,532.18 = 6,300.70/x
  3. Step 3: Cross multiply
    13,706.39x = 20,532.18 × 6,300.70
  4. Step 4: Simplify right side
    13,706.39x = 129,367,106.53
  5. Step 5: Solve for x
    x = 129,367,106.53/13,706.39
  6. Step 6: Final answer
    x = 9,438.45

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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.