Home / 14,813.13-20,447.27-8,528.01

Finding the Fourth Proportional to 14,813.13, 20,447.27 and 8,528.01

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Solution

The fourth proportional to 14,813.13, 20,447.27 and 8,528.01 is: 11,771.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,813.13 : 20,447.27 = 8,528.01 : x
  2. Step 2: Convert to fraction form
    14,813.13/20,447.27 = 8,528.01/x
  3. Step 3: Cross multiply
    14,813.13x = 20,447.27 × 8,528.01
  4. Step 4: Simplify right side
    14,813.13x = 174,374,480.39
  5. Step 5: Solve for x
    x = 174,374,480.39/14,813.13
  6. Step 6: Final answer
    x = 11,771.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.