Home / 12,265.02-16,936.56-9,115.74

Finding the Fourth Proportional to 12,265.02, 16,936.56 and 9,115.74

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Solution

The fourth proportional to 12,265.02, 16,936.56 and 9,115.74 is: 12,587.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.02 : 16,936.56 = 9,115.74 : x
  2. Step 2: Convert to fraction form
    12,265.02/16,936.56 = 9,115.74/x
  3. Step 3: Cross multiply
    12,265.02x = 16,936.56 × 9,115.74
  4. Step 4: Simplify right side
    12,265.02x = 154,389,277.45
  5. Step 5: Solve for x
    x = 154,389,277.45/12,265.02
  6. Step 6: Final answer
    x = 12,587.77

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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.