Home / 12,693.16-19,026.66-5,301.92

Finding the Fourth Proportional to 12,693.16, 19,026.66 and 5,301.92

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Solution

The fourth proportional to 12,693.16, 19,026.66 and 5,301.92 is: 7,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693.16 : 19,026.66 = 5,301.92 : x
  2. Step 2: Convert to fraction form
    12,693.16/19,026.66 = 5,301.92/x
  3. Step 3: Cross multiply
    12,693.16x = 19,026.66 × 5,301.92
  4. Step 4: Simplify right side
    12,693.16x = 100,877,829.19
  5. Step 5: Solve for x
    x = 100,877,829.19/12,693.16
  6. Step 6: Final answer
    x = 7,947.42

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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.