Home / 21,358.23-29,475.68-11,798.07

Finding the Fourth Proportional to 21,358.23, 29,475.68 and 11,798.07

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Solution

The fourth proportional to 21,358.23, 29,475.68 and 11,798.07 is: 16,282.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358.23 : 29,475.68 = 11,798.07 : x
  2. Step 2: Convert to fraction form
    21,358.23/29,475.68 = 11,798.07/x
  3. Step 3: Cross multiply
    21,358.23x = 29,475.68 × 11,798.07
  4. Step 4: Simplify right side
    21,358.23x = 347,756,076.95
  5. Step 5: Solve for x
    x = 347,756,076.95/21,358.23
  6. Step 6: Final answer
    x = 16,282.06

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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.