Home / 13,026.96-19,518.36-9,310.32

Finding the Fourth Proportional to 13,026.96, 19,518.36 and 9,310.32

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Solution

The fourth proportional to 13,026.96, 19,518.36 and 9,310.32 is: 13,949.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.96 : 19,518.36 = 9,310.32 : x
  2. Step 2: Convert to fraction form
    13,026.96/19,518.36 = 9,310.32/x
  3. Step 3: Cross multiply
    13,026.96x = 19,518.36 × 9,310.32
  4. Step 4: Simplify right side
    13,026.96x = 181,722,177.48
  5. Step 5: Solve for x
    x = 181,722,177.48/13,026.96
  6. Step 6: Final answer
    x = 13,949.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.