Home / 21,334.68-29,420.01-14,162.07

Finding the Fourth Proportional to 21,334.68, 29,420.01 and 14,162.07

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Solution

The fourth proportional to 21,334.68, 29,420.01 and 14,162.07 is: 19,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334.68 : 29,420.01 = 14,162.07 : x
  2. Step 2: Convert to fraction form
    21,334.68/29,420.01 = 14,162.07/x
  3. Step 3: Cross multiply
    21,334.68x = 29,420.01 × 14,162.07
  4. Step 4: Simplify right side
    21,334.68x = 416,648,241.02
  5. Step 5: Solve for x
    x = 416,648,241.02/21,334.68
  6. Step 6: Final answer
    x = 19,529.15

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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.