Home / 21,037.48-29,031.90-11,606.68

Finding the Fourth Proportional to 21,037.48, 29,031.90 and 11,606.68

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Solution

The fourth proportional to 21,037.48, 29,031.90 and 11,606.68 is: 16,017.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037.48 : 29,031.90 = 11,606.68 : x
  2. Step 2: Convert to fraction form
    21,037.48/29,031.90 = 11,606.68/x
  3. Step 3: Cross multiply
    21,037.48x = 29,031.90 × 11,606.68
  4. Step 4: Simplify right side
    21,037.48x = 336,963,973.09
  5. Step 5: Solve for x
    x = 336,963,973.09/21,037.48
  6. Step 6: Final answer
    x = 16,017.32

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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.