Home / 21,274.89-29,337.58-14,102.30

Finding the Fourth Proportional to 21,274.89, 29,337.58 and 14,102.30

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Solution

The fourth proportional to 21,274.89, 29,337.58 and 14,102.30 is: 19,446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,274.89 : 29,337.58 = 14,102.30 : x
  2. Step 2: Convert to fraction form
    21,274.89/29,337.58 = 14,102.30/x
  3. Step 3: Cross multiply
    21,274.89x = 29,337.58 × 14,102.30
  4. Step 4: Simplify right side
    21,274.89x = 413,727,366.08
  5. Step 5: Solve for x
    x = 413,727,366.08/21,274.89
  6. Step 6: Final answer
    x = 19,446.75

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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.