Home / 12,154.02-16,773.72-7,117.94

Finding the Fourth Proportional to 12,154.02, 16,773.72 and 7,117.94

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Solution

The fourth proportional to 12,154.02, 16,773.72 and 7,117.94 is: 9,823.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154.02 : 16,773.72 = 7,117.94 : x
  2. Step 2: Convert to fraction form
    12,154.02/16,773.72 = 7,117.94/x
  3. Step 3: Cross multiply
    12,154.02x = 16,773.72 × 7,117.94
  4. Step 4: Simplify right side
    12,154.02x = 119,394,332.54
  5. Step 5: Solve for x
    x = 119,394,332.54/12,154.02
  6. Step 6: Final answer
    x = 9,823.44

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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.