Home / 14,820.22-22,218.72-7,420.96

Finding the Fourth Proportional to 14,820.22, 22,218.72 and 7,420.96

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Solution

The fourth proportional to 14,820.22, 22,218.72 and 7,420.96 is: 11,125.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.22 : 22,218.72 = 7,420.96 : x
  2. Step 2: Convert to fraction form
    14,820.22/22,218.72 = 7,420.96/x
  3. Step 3: Cross multiply
    14,820.22x = 22,218.72 × 7,420.96
  4. Step 4: Simplify right side
    14,820.22x = 164,884,232.37
  5. Step 5: Solve for x
    x = 164,884,232.37/14,820.22
  6. Step 6: Final answer
    x = 11,125.63

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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.