Home / 13,478.88-20,204.55-4,706.58

Finding the Fourth Proportional to 13,478.88, 20,204.55 and 4,706.58

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Solution

The fourth proportional to 13,478.88, 20,204.55 and 4,706.58 is: 7,055.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478.88 : 20,204.55 = 4,706.58 : x
  2. Step 2: Convert to fraction form
    13,478.88/20,204.55 = 4,706.58/x
  3. Step 3: Cross multiply
    13,478.88x = 20,204.55 × 4,706.58
  4. Step 4: Simplify right side
    13,478.88x = 95,094,330.94
  5. Step 5: Solve for x
    x = 95,094,330.94/13,478.88
  6. Step 6: Final answer
    x = 7,055.06

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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.