Home / 21,164.53-31,747.06-14,588.95

Finding the Fourth Proportional to 21,164.53, 31,747.06 and 14,588.95

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Solution

The fourth proportional to 21,164.53, 31,747.06 and 14,588.95 is: 21,883.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,164.53 : 31,747.06 = 14,588.95 : x
  2. Step 2: Convert to fraction form
    21,164.53/31,747.06 = 14,588.95/x
  3. Step 3: Cross multiply
    21,164.53x = 31,747.06 × 14,588.95
  4. Step 4: Simplify right side
    21,164.53x = 463,156,112.25
  5. Step 5: Solve for x
    x = 463,156,112.25/21,164.53
  6. Step 6: Final answer
    x = 21,883.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.