Home / 21,600.14-29,810.01-12,170.52

Finding the Fourth Proportional to 21,600.14, 29,810.01 and 12,170.52

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Solution

The fourth proportional to 21,600.14, 29,810.01 and 12,170.52 is: 16,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,600.14 : 29,810.01 = 12,170.52 : x
  2. Step 2: Convert to fraction form
    21,600.14/29,810.01 = 12,170.52/x
  3. Step 3: Cross multiply
    21,600.14x = 29,810.01 × 12,170.52
  4. Step 4: Simplify right side
    21,600.14x = 362,803,322.91
  5. Step 5: Solve for x
    x = 362,803,322.91/21,600.14
  6. Step 6: Final answer
    x = 16,796.35

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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.