Home / 14,688.12-20,272.08-14,202.12

Finding the Fourth Proportional to 14,688.12, 20,272.08 and 14,202.12

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Solution

The fourth proportional to 14,688.12, 20,272.08 and 14,202.12 is: 19,601.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688.12 : 20,272.08 = 14,202.12 : x
  2. Step 2: Convert to fraction form
    14,688.12/20,272.08 = 14,202.12/x
  3. Step 3: Cross multiply
    14,688.12x = 20,272.08 × 14,202.12
  4. Step 4: Simplify right side
    14,688.12x = 287,906,512.81
  5. Step 5: Solve for x
    x = 287,906,512.81/14,688.12
  6. Step 6: Final answer
    x = 19,601.32

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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.