Home / 21,238.92-29,306.26-11,807.24

Finding the Fourth Proportional to 21,238.92, 29,306.26 and 11,807.24

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Solution

The fourth proportional to 21,238.92, 29,306.26 and 11,807.24 is: 16,292.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,238.92 : 29,306.26 = 11,807.24 : x
  2. Step 2: Convert to fraction form
    21,238.92/29,306.26 = 11,807.24/x
  3. Step 3: Cross multiply
    21,238.92x = 29,306.26 × 11,807.24
  4. Step 4: Simplify right side
    21,238.92x = 346,026,045.32
  5. Step 5: Solve for x
    x = 346,026,045.32/21,238.92
  6. Step 6: Final answer
    x = 16,292.07

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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.