Home / 21,214.52-29,276.14-11,783.96

Finding the Fourth Proportional to 21,214.52, 29,276.14 and 11,783.96

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Solution

The fourth proportional to 21,214.52, 29,276.14 and 11,783.96 is: 16,261.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,214.52 : 29,276.14 = 11,783.96 : x
  2. Step 2: Convert to fraction form
    21,214.52/29,276.14 = 11,783.96/x
  3. Step 3: Cross multiply
    21,214.52x = 29,276.14 × 11,783.96
  4. Step 4: Simplify right side
    21,214.52x = 344,988,862.71
  5. Step 5: Solve for x
    x = 344,988,862.71/21,214.52
  6. Step 6: Final answer
    x = 16,261.92

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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.