Home / 12,838.60-19,260.96-4,073.51

Finding the Fourth Proportional to 12,838.60, 19,260.96 and 4,073.51

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Solution

The fourth proportional to 12,838.60, 19,260.96 and 4,073.51 is: 6,111.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838.60 : 19,260.96 = 4,073.51 : x
  2. Step 2: Convert to fraction form
    12,838.60/19,260.96 = 4,073.51/x
  3. Step 3: Cross multiply
    12,838.60x = 19,260.96 × 4,073.51
  4. Step 4: Simplify right side
    12,838.60x = 78,459,761.32
  5. Step 5: Solve for x
    x = 78,459,761.32/12,838.60
  6. Step 6: Final answer
    x = 6,111.24

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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.