Home / 13,573.53-20,341.67-6,985.80

Finding the Fourth Proportional to 13,573.53, 20,341.67 and 6,985.80

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Solution

The fourth proportional to 13,573.53, 20,341.67 and 6,985.80 is: 10,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.53 : 20,341.67 = 6,985.80 : x
  2. Step 2: Convert to fraction form
    13,573.53/20,341.67 = 6,985.80/x
  3. Step 3: Cross multiply
    13,573.53x = 20,341.67 × 6,985.80
  4. Step 4: Simplify right side
    13,573.53x = 142,102,803.36
  5. Step 5: Solve for x
    x = 142,102,803.36/13,573.53
  6. Step 6: Final answer
    x = 10,469.11

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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.