Home / 22,926.13-31,641.60-12,858.64

Finding the Fourth Proportional to 22,926.13, 31,641.60 and 12,858.64

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Solution

The fourth proportional to 22,926.13, 31,641.60 and 12,858.64 is: 17,746.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,926.13 : 31,641.60 = 12,858.64 : x
  2. Step 2: Convert to fraction form
    22,926.13/31,641.60 = 12,858.64/x
  3. Step 3: Cross multiply
    22,926.13x = 31,641.60 × 12,858.64
  4. Step 4: Simplify right side
    22,926.13x = 406,867,912.54
  5. Step 5: Solve for x
    x = 406,867,912.54/22,926.13
  6. Step 6: Final answer
    x = 17,746.91

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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.