Home / 21,152.93-29,197.46-12,206.28

Finding the Fourth Proportional to 21,152.93, 29,197.46 and 12,206.28

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Solution

The fourth proportional to 21,152.93, 29,197.46 and 12,206.28 is: 16,848.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,152.93 : 29,197.46 = 12,206.28 : x
  2. Step 2: Convert to fraction form
    21,152.93/29,197.46 = 12,206.28/x
  3. Step 3: Cross multiply
    21,152.93x = 29,197.46 × 12,206.28
  4. Step 4: Simplify right side
    21,152.93x = 356,392,311.02
  5. Step 5: Solve for x
    x = 356,392,311.02/21,152.93
  6. Step 6: Final answer
    x = 16,848.37

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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.