Home / 21,464.16-29,621.16-12,032.88

Finding the Fourth Proportional to 21,464.16, 29,621.16 and 12,032.88

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Solution

The fourth proportional to 21,464.16, 29,621.16 and 12,032.88 is: 16,605.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,464.16 : 29,621.16 = 12,032.88 : x
  2. Step 2: Convert to fraction form
    21,464.16/29,621.16 = 12,032.88/x
  3. Step 3: Cross multiply
    21,464.16x = 29,621.16 × 12,032.88
  4. Step 4: Simplify right side
    21,464.16x = 356,427,863.74
  5. Step 5: Solve for x
    x = 356,427,863.74/21,464.16
  6. Step 6: Final answer
    x = 16,605.72

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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.