Home / 21,023.78-29,014.08-11,592.32

Finding the Fourth Proportional to 21,023.78, 29,014.08 and 11,592.32

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Solution

The fourth proportional to 21,023.78, 29,014.08 and 11,592.32 is: 15,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,023.78 : 29,014.08 = 11,592.32 : x
  2. Step 2: Convert to fraction form
    21,023.78/29,014.08 = 11,592.32/x
  3. Step 3: Cross multiply
    21,023.78x = 29,014.08 × 11,592.32
  4. Step 4: Simplify right side
    21,023.78x = 336,340,499.87
  5. Step 5: Solve for x
    x = 336,340,499.87/21,023.78
  6. Step 6: Final answer
    x = 15,998.10

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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.