Home / 16,685.58-23,026.11-9,131.91

Finding the Fourth Proportional to 16,685.58, 23,026.11 and 9,131.91

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Solution

The fourth proportional to 16,685.58, 23,026.11 and 9,131.91 is: 12,602.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,685.58 : 23,026.11 = 9,131.91 : x
  2. Step 2: Convert to fraction form
    16,685.58/23,026.11 = 9,131.91/x
  3. Step 3: Cross multiply
    16,685.58x = 23,026.11 × 9,131.91
  4. Step 4: Simplify right side
    16,685.58x = 210,272,294.94
  5. Step 5: Solve for x
    x = 210,272,294.94/16,685.58
  6. Step 6: Final answer
    x = 12,602.03

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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.