Home / 22,386.64-30,893.96-12,315.92

Finding the Fourth Proportional to 22,386.64, 30,893.96 and 12,315.92

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Solution

The fourth proportional to 22,386.64, 30,893.96 and 12,315.92 is: 16,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,386.64 : 30,893.96 = 12,315.92 : x
  2. Step 2: Convert to fraction form
    22,386.64/30,893.96 = 12,315.92/x
  3. Step 3: Cross multiply
    22,386.64x = 30,893.96 × 12,315.92
  4. Step 4: Simplify right side
    22,386.64x = 380,487,539.84
  5. Step 5: Solve for x
    x = 380,487,539.84/22,386.64
  6. Step 6: Final answer
    x = 16,996.19

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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.