Home / 14,645.13-20,210.27-7,930.82

Finding the Fourth Proportional to 14,645.13, 20,210.27 and 7,930.82

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Solution

The fourth proportional to 14,645.13, 20,210.27 and 7,930.82 is: 10,944.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,645.13 : 20,210.27 = 7,930.82 : x
  2. Step 2: Convert to fraction form
    14,645.13/20,210.27 = 7,930.82/x
  3. Step 3: Cross multiply
    14,645.13x = 20,210.27 × 7,930.82
  4. Step 4: Simplify right side
    14,645.13x = 160,283,872.82
  5. Step 5: Solve for x
    x = 160,283,872.82/14,645.13
  6. Step 6: Final answer
    x = 10,944.52

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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.