Home / 21,465.24-29,617.83-11,904.75

Finding the Fourth Proportional to 21,465.24, 29,617.83 and 11,904.75

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Solution

The fourth proportional to 21,465.24, 29,617.83 and 11,904.75 is: 16,426.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,465.24 : 29,617.83 = 11,904.75 : x
  2. Step 2: Convert to fraction form
    21,465.24/29,617.83 = 11,904.75/x
  3. Step 3: Cross multiply
    21,465.24x = 29,617.83 × 11,904.75
  4. Step 4: Simplify right side
    21,465.24x = 352,592,861.69
  5. Step 5: Solve for x
    x = 352,592,861.69/21,465.24
  6. Step 6: Final answer
    x = 16,426.22

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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.