Home / 22,693.37-31,312.25-13,260.11

Finding the Fourth Proportional to 22,693.37, 31,312.25 and 13,260.11

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Solution

The fourth proportional to 22,693.37, 31,312.25 and 13,260.11 is: 18,296.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,693.37 : 31,312.25 = 13,260.11 : x
  2. Step 2: Convert to fraction form
    22,693.37/31,312.25 = 13,260.11/x
  3. Step 3: Cross multiply
    22,693.37x = 31,312.25 × 13,260.11
  4. Step 4: Simplify right side
    22,693.37x = 415,203,813.05
  5. Step 5: Solve for x
    x = 415,203,813.05/22,693.37
  6. Step 6: Final answer
    x = 18,296.26

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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.