Home / 22,620.52-31,216.34-12,548.60

Finding the Fourth Proportional to 22,620.52, 31,216.34 and 12,548.60

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Solution

The fourth proportional to 22,620.52, 31,216.34 and 12,548.60 is: 17,317.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,620.52 : 31,216.34 = 12,548.60 : x
  2. Step 2: Convert to fraction form
    22,620.52/31,216.34 = 12,548.60/x
  3. Step 3: Cross multiply
    22,620.52x = 31,216.34 × 12,548.60
  4. Step 4: Simplify right side
    22,620.52x = 391,721,364.12
  5. Step 5: Solve for x
    x = 391,721,364.12/22,620.52
  6. Step 6: Final answer
    x = 17,317.08

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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.