Home / 12,876.29-19,323.10-4,556.28

Finding the Fourth Proportional to 12,876.29, 19,323.10 and 4,556.28

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Solution

The fourth proportional to 12,876.29, 19,323.10 and 4,556.28 is: 6,837.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876.29 : 19,323.10 = 4,556.28 : x
  2. Step 2: Convert to fraction form
    12,876.29/19,323.10 = 4,556.28/x
  3. Step 3: Cross multiply
    12,876.29x = 19,323.10 × 4,556.28
  4. Step 4: Simplify right side
    12,876.29x = 88,041,334.67
  5. Step 5: Solve for x
    x = 88,041,334.67/12,876.29
  6. Step 6: Final answer
    x = 6,837.48

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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.