Home / 21,267.08-29,349.30-11,836.28

Finding the Fourth Proportional to 21,267.08, 29,349.30 and 11,836.28

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Solution

The fourth proportional to 21,267.08, 29,349.30 and 11,836.28 is: 16,334.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,267.08 : 29,349.30 = 11,836.28 : x
  2. Step 2: Convert to fraction form
    21,267.08/29,349.30 = 11,836.28/x
  3. Step 3: Cross multiply
    21,267.08x = 29,349.30 × 11,836.28
  4. Step 4: Simplify right side
    21,267.08x = 347,386,532.60
  5. Step 5: Solve for x
    x = 347,386,532.60/21,267.08
  6. Step 6: Final answer
    x = 16,334.47

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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.