Home / 19,804.32-29,706.48-12,015.36

Finding the Fourth Proportional to 19,804.32, 29,706.48 and 12,015.36

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Solution

The fourth proportional to 19,804.32, 29,706.48 and 12,015.36 is: 18,023.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,804.32 : 29,706.48 = 12,015.36 : x
  2. Step 2: Convert to fraction form
    19,804.32/29,706.48 = 12,015.36/x
  3. Step 3: Cross multiply
    19,804.32x = 29,706.48 × 12,015.36
  4. Step 4: Simplify right side
    19,804.32x = 356,934,051.53
  5. Step 5: Solve for x
    x = 356,934,051.53/19,804.32
  6. Step 6: Final answer
    x = 18,023.04

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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.