Home / 21,037.45-29,031.67-11,606.01

Finding the Fourth Proportional to 21,037.45, 29,031.67 and 11,606.01

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Solution

The fourth proportional to 21,037.45, 29,031.67 and 11,606.01 is: 16,016.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037.45 : 29,031.67 = 11,606.01 : x
  2. Step 2: Convert to fraction form
    21,037.45/29,031.67 = 11,606.01/x
  3. Step 3: Cross multiply
    21,037.45x = 29,031.67 × 11,606.01
  4. Step 4: Simplify right side
    21,037.45x = 336,941,881.35
  5. Step 5: Solve for x
    x = 336,941,881.35/21,037.45
  6. Step 6: Final answer
    x = 16,016.29

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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.