Home / 14,000.31-21,000.48-13,144.95

Finding the Fourth Proportional to 14,000.31, 21,000.48 and 13,144.95

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Solution

The fourth proportional to 14,000.31, 21,000.48 and 13,144.95 is: 19,717.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.31 : 21,000.48 = 13,144.95 : x
  2. Step 2: Convert to fraction form
    14,000.31/21,000.48 = 13,144.95/x
  3. Step 3: Cross multiply
    14,000.31x = 21,000.48 × 13,144.95
  4. Step 4: Simplify right side
    14,000.31x = 276,050,259.58
  5. Step 5: Solve for x
    x = 276,050,259.58/14,000.31
  6. Step 6: Final answer
    x = 19,717.44

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Double scale
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Similar ratio
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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.