Home / 21,037.72-29,032.14-11,606.56

Finding the Fourth Proportional to 21,037.72, 29,032.14 and 11,606.56

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Solution

The fourth proportional to 21,037.72, 29,032.14 and 11,606.56 is: 16,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037.72 : 29,032.14 = 11,606.56 : x
  2. Step 2: Convert to fraction form
    21,037.72/29,032.14 = 11,606.56/x
  3. Step 3: Cross multiply
    21,037.72x = 29,032.14 × 11,606.56
  4. Step 4: Simplify right side
    21,037.72x = 336,963,274.84
  5. Step 5: Solve for x
    x = 336,963,274.84/21,037.72
  6. Step 6: Final answer
    x = 16,017.10

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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.