Home / 21,336.42-29,444.24-11,904.99

Finding the Fourth Proportional to 21,336.42, 29,444.24 and 11,904.99

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Solution

The fourth proportional to 21,336.42, 29,444.24 and 11,904.99 is: 16,428.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,336.42 : 29,444.24 = 11,904.99 : x
  2. Step 2: Convert to fraction form
    21,336.42/29,444.24 = 11,904.99/x
  3. Step 3: Cross multiply
    21,336.42x = 29,444.24 × 11,904.99
  4. Step 4: Simplify right side
    21,336.42x = 350,533,302.10
  5. Step 5: Solve for x
    x = 350,533,302.10/21,336.42
  6. Step 6: Final answer
    x = 16,428.87

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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.