Home / 12,011.02-16,575.76-6,634.20

Finding the Fourth Proportional to 12,011.02, 16,575.76 and 6,634.20

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Solution

The fourth proportional to 12,011.02, 16,575.76 and 6,634.20 is: 9,155.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011.02 : 16,575.76 = 6,634.20 : x
  2. Step 2: Convert to fraction form
    12,011.02/16,575.76 = 6,634.20/x
  3. Step 3: Cross multiply
    12,011.02x = 16,575.76 × 6,634.20
  4. Step 4: Simplify right side
    12,011.02x = 109,966,977.44
  5. Step 5: Solve for x
    x = 109,966,977.44/12,011.02
  6. Step 6: Final answer
    x = 9,155.51

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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.