Home / 14,051.41-21,066.72-6,647.20

Finding the Fourth Proportional to 14,051.41, 21,066.72 and 6,647.20

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Solution

The fourth proportional to 14,051.41, 21,066.72 and 6,647.20 is: 9,965.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.41 : 21,066.72 = 6,647.20 : x
  2. Step 2: Convert to fraction form
    14,051.41/21,066.72 = 6,647.20/x
  3. Step 3: Cross multiply
    14,051.41x = 21,066.72 × 6,647.20
  4. Step 4: Simplify right side
    14,051.41x = 140,034,623.59
  5. Step 5: Solve for x
    x = 140,034,623.59/14,051.41
  6. Step 6: Final answer
    x = 9,965.88

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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.