Home / 21,192.66-29,246.14-11,762.10

Finding the Fourth Proportional to 21,192.66, 29,246.14 and 11,762.10

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Solution

The fourth proportional to 21,192.66, 29,246.14 and 11,762.10 is: 16,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192.66 : 29,246.14 = 11,762.10 : x
  2. Step 2: Convert to fraction form
    21,192.66/29,246.14 = 11,762.10/x
  3. Step 3: Cross multiply
    21,192.66x = 29,246.14 × 11,762.10
  4. Step 4: Simplify right side
    21,192.66x = 343,996,023.29
  5. Step 5: Solve for x
    x = 343,996,023.29/21,192.66
  6. Step 6: Final answer
    x = 16,231.85

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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.