Home / 19,279.11-26,602.34-11,323.90

Finding the Fourth Proportional to 19,279.11, 26,602.34 and 11,323.90

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Solution

The fourth proportional to 19,279.11, 26,602.34 and 11,323.90 is: 15,625.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.11 : 26,602.34 = 11,323.90 : x
  2. Step 2: Convert to fraction form
    19,279.11/26,602.34 = 11,323.90/x
  3. Step 3: Cross multiply
    19,279.11x = 26,602.34 × 11,323.90
  4. Step 4: Simplify right side
    19,279.11x = 301,242,199.73
  5. Step 5: Solve for x
    x = 301,242,199.73/19,279.11
  6. Step 6: Final answer
    x = 15,625.32

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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.