Home / 13,821.32-19,073.26-7,852.86

Finding the Fourth Proportional to 13,821.32, 19,073.26 and 7,852.86

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Solution

The fourth proportional to 13,821.32, 19,073.26 and 7,852.86 is: 10,836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.32 : 19,073.26 = 7,852.86 : x
  2. Step 2: Convert to fraction form
    13,821.32/19,073.26 = 7,852.86/x
  3. Step 3: Cross multiply
    13,821.32x = 19,073.26 × 7,852.86
  4. Step 4: Simplify right side
    13,821.32x = 149,779,640.52
  5. Step 5: Solve for x
    x = 149,779,640.52/13,821.32
  6. Step 6: Final answer
    x = 10,836.85

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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.