Home / 13,685.46-20,528.76-6,671.26

Finding the Fourth Proportional to 13,685.46, 20,528.76 and 6,671.26

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Solution

The fourth proportional to 13,685.46, 20,528.76 and 6,671.26 is: 10,007.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,685.46 : 20,528.76 = 6,671.26 : x
  2. Step 2: Convert to fraction form
    13,685.46/20,528.76 = 6,671.26/x
  3. Step 3: Cross multiply
    13,685.46x = 20,528.76 × 6,671.26
  4. Step 4: Simplify right side
    13,685.46x = 136,952,695.44
  5. Step 5: Solve for x
    x = 136,952,695.44/13,685.46
  6. Step 6: Final answer
    x = 10,007.17

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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.