Home / 21,359.17-29,474.71-11,927.53

Finding the Fourth Proportional to 21,359.17, 29,474.71 and 11,927.53

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Solution

The fourth proportional to 21,359.17, 29,474.71 and 11,927.53 is: 16,459.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359.17 : 29,474.71 = 11,927.53 : x
  2. Step 2: Convert to fraction form
    21,359.17/29,474.71 = 11,927.53/x
  3. Step 3: Cross multiply
    21,359.17x = 29,474.71 × 11,927.53
  4. Step 4: Simplify right side
    21,359.17x = 351,560,487.77
  5. Step 5: Solve for x
    x = 351,560,487.77/21,359.17
  6. Step 6: Final answer
    x = 16,459.46

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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.