Home / 16,670.63-23,004.51-9,115.56

Finding the Fourth Proportional to 16,670.63, 23,004.51 and 9,115.56

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Solution

The fourth proportional to 16,670.63, 23,004.51 and 9,115.56 is: 12,578.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,670.63 : 23,004.51 = 9,115.56 : x
  2. Step 2: Convert to fraction form
    16,670.63/23,004.51 = 9,115.56/x
  3. Step 3: Cross multiply
    16,670.63x = 23,004.51 × 9,115.56
  4. Step 4: Simplify right side
    16,670.63x = 209,698,991.18
  5. Step 5: Solve for x
    x = 209,698,991.18/16,670.63
  6. Step 6: Final answer
    x = 12,578.95

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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.