Home / 14,003.82-21,008.79-4,646.70

Finding the Fourth Proportional to 14,003.82, 21,008.79 and 4,646.70

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Solution

The fourth proportional to 14,003.82, 21,008.79 and 4,646.70 is: 6,971.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.82 : 21,008.79 = 4,646.70 : x
  2. Step 2: Convert to fraction form
    14,003.82/21,008.79 = 4,646.70/x
  3. Step 3: Cross multiply
    14,003.82x = 21,008.79 × 4,646.70
  4. Step 4: Simplify right side
    14,003.82x = 97,621,544.49
  5. Step 5: Solve for x
    x = 97,621,544.49/14,003.82
  6. Step 6: Final answer
    x = 6,971.07

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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.