Home / 19,344.82-26,680.76-12,969.32

Finding the Fourth Proportional to 19,344.82, 26,680.76 and 12,969.32

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Solution

The fourth proportional to 19,344.82, 26,680.76 and 12,969.32 is: 17,887.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,344.82 : 26,680.76 = 12,969.32 : x
  2. Step 2: Convert to fraction form
    19,344.82/26,680.76 = 12,969.32/x
  3. Step 3: Cross multiply
    19,344.82x = 26,680.76 × 12,969.32
  4. Step 4: Simplify right side
    19,344.82x = 346,031,314.28
  5. Step 5: Solve for x
    x = 346,031,314.28/19,344.82
  6. Step 6: Final answer
    x = 17,887.54

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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.