Home / 13,505.27-20,266.97-4,740.21

Finding the Fourth Proportional to 13,505.27, 20,266.97 and 4,740.21

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Solution

The fourth proportional to 13,505.27, 20,266.97 and 4,740.21 is: 7,113.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505.27 : 20,266.97 = 4,740.21 : x
  2. Step 2: Convert to fraction form
    13,505.27/20,266.97 = 4,740.21/x
  3. Step 3: Cross multiply
    13,505.27x = 20,266.97 × 4,740.21
  4. Step 4: Simplify right side
    13,505.27x = 96,069,670.16
  5. Step 5: Solve for x
    x = 96,069,670.16/13,505.27
  6. Step 6: Final answer
    x = 7,113.49

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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.