Home / 21,274.84-29,359.03-11,714.53

Finding the Fourth Proportional to 21,274.84, 29,359.03 and 11,714.53

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Solution

The fourth proportional to 21,274.84, 29,359.03 and 11,714.53 is: 16,165.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,274.84 : 29,359.03 = 11,714.53 : x
  2. Step 2: Convert to fraction form
    21,274.84/29,359.03 = 11,714.53/x
  3. Step 3: Cross multiply
    21,274.84x = 29,359.03 × 11,714.53
  4. Step 4: Simplify right side
    21,274.84x = 343,927,237.71
  5. Step 5: Solve for x
    x = 343,927,237.71/21,274.84
  6. Step 6: Final answer
    x = 16,165.91

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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.