Home / 13,457.53-20,189.49-4,573.45

Finding the Fourth Proportional to 13,457.53, 20,189.49 and 4,573.45

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Solution

The fourth proportional to 13,457.53, 20,189.49 and 4,573.45 is: 6,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457.53 : 20,189.49 = 4,573.45 : x
  2. Step 2: Convert to fraction form
    13,457.53/20,189.49 = 4,573.45/x
  3. Step 3: Cross multiply
    13,457.53x = 20,189.49 × 4,573.45
  4. Step 4: Simplify right side
    13,457.53x = 92,335,623.04
  5. Step 5: Solve for x
    x = 92,335,623.04/13,457.53
  6. Step 6: Final answer
    x = 6,861.26

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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.