Home / 16,776.54-23,151.47-9,119.97

Finding the Fourth Proportional to 16,776.54, 23,151.47 and 9,119.97

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Solution

The fourth proportional to 16,776.54, 23,151.47 and 9,119.97 is: 12,585.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,776.54 : 23,151.47 = 9,119.97 : x
  2. Step 2: Convert to fraction form
    16,776.54/23,151.47 = 9,119.97/x
  3. Step 3: Cross multiply
    16,776.54x = 23,151.47 × 9,119.97
  4. Step 4: Simplify right side
    16,776.54x = 211,140,666.26
  5. Step 5: Solve for x
    x = 211,140,666.26/16,776.54
  6. Step 6: Final answer
    x = 12,585.47

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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.