Home / 14,047.44-21,053.46-12,288.27

Finding the Fourth Proportional to 14,047.44, 21,053.46 and 12,288.27

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Solution

The fourth proportional to 14,047.44, 21,053.46 and 12,288.27 is: 18,416.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.44 : 21,053.46 = 12,288.27 : x
  2. Step 2: Convert to fraction form
    14,047.44/21,053.46 = 12,288.27/x
  3. Step 3: Cross multiply
    14,047.44x = 21,053.46 × 12,288.27
  4. Step 4: Simplify right side
    14,047.44x = 258,710,600.91
  5. Step 5: Solve for x
    x = 258,710,600.91/14,047.44
  6. Step 6: Final answer
    x = 18,416.92

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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.