Home / 20,317.17-28,026.41-11,818.34

Finding the Fourth Proportional to 20,317.17, 28,026.41 and 11,818.34

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Solution

The fourth proportional to 20,317.17, 28,026.41 and 11,818.34 is: 16,302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317.17 : 28,026.41 = 11,818.34 : x
  2. Step 2: Convert to fraction form
    20,317.17/28,026.41 = 11,818.34/x
  3. Step 3: Cross multiply
    20,317.17x = 28,026.41 × 11,818.34
  4. Step 4: Simplify right side
    20,317.17x = 331,225,443.14
  5. Step 5: Solve for x
    x = 331,225,443.14/20,317.17
  6. Step 6: Final answer
    x = 16,302.74

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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.