Home / 21,232.64-29,300.41-12,157.70

Finding the Fourth Proportional to 21,232.64, 29,300.41 and 12,157.70

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Solution

The fourth proportional to 21,232.64, 29,300.41 and 12,157.70 is: 16,777.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.64 : 29,300.41 = 12,157.70 : x
  2. Step 2: Convert to fraction form
    21,232.64/29,300.41 = 12,157.70/x
  3. Step 3: Cross multiply
    21,232.64x = 29,300.41 × 12,157.70
  4. Step 4: Simplify right side
    21,232.64x = 356,225,594.66
  5. Step 5: Solve for x
    x = 356,225,594.66/21,232.64
  6. Step 6: Final answer
    x = 16,777.26

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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.