Home / 21,705.14-29,953.73-12,273.50

Finding the Fourth Proportional to 21,705.14, 29,953.73 and 12,273.50

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Solution

The fourth proportional to 21,705.14, 29,953.73 and 12,273.50 is: 16,937.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,705.14 : 29,953.73 = 12,273.50 : x
  2. Step 2: Convert to fraction form
    21,705.14/29,953.73 = 12,273.50/x
  3. Step 3: Cross multiply
    21,705.14x = 29,953.73 × 12,273.50
  4. Step 4: Simplify right side
    21,705.14x = 367,637,105.16
  5. Step 5: Solve for x
    x = 367,637,105.16/21,705.14
  6. Step 6: Final answer
    x = 16,937.79

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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.