Home / 21,199.77-29,253.52-12,250.16

Finding the Fourth Proportional to 21,199.77, 29,253.52 and 12,250.16

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Solution

The fourth proportional to 21,199.77, 29,253.52 and 12,250.16 is: 16,903.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,199.77 : 29,253.52 = 12,250.16 : x
  2. Step 2: Convert to fraction form
    21,199.77/29,253.52 = 12,250.16/x
  3. Step 3: Cross multiply
    21,199.77x = 29,253.52 × 12,250.16
  4. Step 4: Simplify right side
    21,199.77x = 358,360,300.56
  5. Step 5: Solve for x
    x = 358,360,300.56/21,199.77
  6. Step 6: Final answer
    x = 16,903.97

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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.