Home / 19,347.22-28,983.46-14,272.47

Finding the Fourth Proportional to 19,347.22, 28,983.46 and 14,272.47

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Solution

The fourth proportional to 19,347.22, 28,983.46 and 14,272.47 is: 21,381.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.22 : 28,983.46 = 14,272.47 : x
  2. Step 2: Convert to fraction form
    19,347.22/28,983.46 = 14,272.47/x
  3. Step 3: Cross multiply
    19,347.22x = 28,983.46 × 14,272.47
  4. Step 4: Simplify right side
    19,347.22x = 413,665,563.35
  5. Step 5: Solve for x
    x = 413,665,563.35/19,347.22
  6. Step 6: Final answer
    x = 21,381.14

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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.