Home / 16,718.86-23,072.30-9,165.91

Finding the Fourth Proportional to 16,718.86, 23,072.30 and 9,165.91

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Solution

The fourth proportional to 16,718.86, 23,072.30 and 9,165.91 is: 12,649.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,718.86 : 23,072.30 = 9,165.91 : x
  2. Step 2: Convert to fraction form
    16,718.86/23,072.30 = 9,165.91/x
  3. Step 3: Cross multiply
    16,718.86x = 23,072.30 × 9,165.91
  4. Step 4: Simplify right side
    16,718.86x = 211,478,625.29
  5. Step 5: Solve for x
    x = 211,478,625.29/16,718.86
  6. Step 6: Final answer
    x = 12,649.11

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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.