Home / 22,509.68-31,062.82-12,437.60

Finding the Fourth Proportional to 22,509.68, 31,062.82 and 12,437.60

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Solution

The fourth proportional to 22,509.68, 31,062.82 and 12,437.60 is: 17,163.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,509.68 : 31,062.82 = 12,437.60 : x
  2. Step 2: Convert to fraction form
    22,509.68/31,062.82 = 12,437.60/x
  3. Step 3: Cross multiply
    22,509.68x = 31,062.82 × 12,437.60
  4. Step 4: Simplify right side
    22,509.68x = 386,346,930.03
  5. Step 5: Solve for x
    x = 386,346,930.03/22,509.68
  6. Step 6: Final answer
    x = 17,163.59

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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.