Home / 22,248.08-30,699.38-12,814.82

Finding the Fourth Proportional to 22,248.08, 30,699.38 and 12,814.82

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Solution

The fourth proportional to 22,248.08, 30,699.38 and 12,814.82 is: 17,682.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,248.08 : 30,699.38 = 12,814.82 : x
  2. Step 2: Convert to fraction form
    22,248.08/30,699.38 = 12,814.82/x
  3. Step 3: Cross multiply
    22,248.08x = 30,699.38 × 12,814.82
  4. Step 4: Simplify right side
    22,248.08x = 393,407,028.81
  5. Step 5: Solve for x
    x = 393,407,028.81/22,248.08
  6. Step 6: Final answer
    x = 17,682.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.