Home / 14,720.40-22,066.20-13,165.20

Finding the Fourth Proportional to 14,720.40, 22,066.20 and 13,165.20

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Solution

The fourth proportional to 14,720.40, 22,066.20 and 13,165.20 is: 19,734.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.40 : 22,066.20 = 13,165.20 : x
  2. Step 2: Convert to fraction form
    14,720.40/22,066.20 = 13,165.20/x
  3. Step 3: Cross multiply
    14,720.40x = 22,066.20 × 13,165.20
  4. Step 4: Simplify right side
    14,720.40x = 290,505,936.24
  5. Step 5: Solve for x
    x = 290,505,936.24/14,720.40
  6. Step 6: Final answer
    x = 19,734.92

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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.