Home / 21,665.58-32,477.10-11,140.64

Finding the Fourth Proportional to 21,665.58, 32,477.10 and 11,140.64

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Solution

The fourth proportional to 21,665.58, 32,477.10 and 11,140.64 is: 16,700.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,665.58 : 32,477.10 = 11,140.64 : x
  2. Step 2: Convert to fraction form
    21,665.58/32,477.10 = 11,140.64/x
  3. Step 3: Cross multiply
    21,665.58x = 32,477.10 × 11,140.64
  4. Step 4: Simplify right side
    21,665.58x = 361,815,659.64
  5. Step 5: Solve for x
    x = 361,815,659.64/21,665.58
  6. Step 6: Final answer
    x = 16,700.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.